Hybrid_pair_nr,Taxa_1,Taxa_2,Family,Genus,min_time_MY_(timetree.org),Hybrid_zone_type,Hybrid_zone_mode,Hybrid_zone_mode_classification,Hybrid_zone_mode_asymmetries,Hybrid_zone_mode_asymmetries_direction,Hybrid_fitness,F1_Fertility,F1_Fertility_code,F1_Fertility_asym,Hybird_ pollen_fertility,F1_fitness,F2_backcross_fitness,Isolating_barriers_PreZygotic,PreZ_weak,PreZ_Low_freq_F1s,PreZ_Mating_system_Abbott,PreZ_none,PreZ_Mating_system_new,PreZ_Divergent_habitat,PreZ_Pollinator_preference,PreZ_Divergent_phenology,PreZ_Spatial_isolation,PreZ_Divergent_floral_structure,PreZ_Pollen_pistil_interaction_ConspecificPrecendance,PreZ_total,PreZ_Conspecific_pollen_precedence,PreZ_Pollen_pistil_interaction,PreZ_Immigrant_inviability,PreZ_Diff_parental_density,PreZ_Partial_incompatability,Isolating_barriers_PostZygotic,PostZ_asymmetrical,PostZ_weak_absent,PostZ_none,PostZ_Cyto_nuclear_incompatabilities,PostZ_Low_hybrid_viability,PostZ_Intrinsic_incompatabilites,PostZ_lower_extrinsic_hybrid_fitness,PostZ_total,barriers_total,Interspecific_geneflow,Interspecific_geneflow_direction,Interspecific_geneflow_cat,Interspecific_geneflow_direction_cat,Pollen fertility of hybrids,Sex_chrom_Taxa_1,Sex_chrom_Taxa_2,Sexual_system_Taxa_1,Sexual_system_Taxa_2,Sexual_system_reference_Taxa_1,Sexual_system_reference_Taxa_2,Mating_system_Taxa_1,Mating_system_Taxa_2,Mating_system_reference_Taxa_1,Mating_system_reference_Taxa_2,Mating_system_Taxa_1_details,Mating_system_Taxa_2_details,Flowers_protandrous_Taxa_1,Flowers_protandrous_Taxa_2,Mating_system_Taxa_1_sum,Mating_system_Taxa_2_sum,Mating_system_BOTH_TAXA,Mating_system_BOTH_TAXA_OUTCROSSING,Mating_system_BOTH_TAXA_DIFF_SELFING,tm_Taxa_1,tm_Taxa_2,tm_reference_Taxa_1,tm_reference_Taxa_2,Pollination_Taxa_1,Pollination_Taxa_2,Pollination_taxa_together,Pollination_type_Taxa_1,Pollination_type_Taxa_2,Pollination_reference_Taxa_1,Pollination_reference_Taxa_2,Animal_Pollination_Taxa_1,Animal_Pollination_Taxa_2,herb,Life_history_Taxa_1,Life_history_Taxa_2,Life_history_together,Clonal,other,References,Additional_references,Additional mating system information,markers,hybrid_classification_method,sample_size_reliable,sample_size,parent_1,parent_2,F1s,F2s,backcross_Taxa_1,backcross_Taxa_2,unspecified_hybrids,hybrid_total,percent_hybrids_total,Fst,Ne_m_est,migration_rate_method,migration_rate_taxa_1,migration_rate_taxa_2,Ne_m,Abbott_classification,gene_flow_level,gene_flow_asymm,gene_flow_direction,gene_asymm_direction_us_RecipientSpecies,gene_flow_note,,,,,,
42,Fraxinus angustifolia,Fraxinus excelsior,Oleaceae,Fraxinus,-,BHS in some regions of species contact (e.g. Loire Valley),Wide range of hybrid genotypes inferred,Unimodal,0,,"In BHS zones, hybrids appear to have superior fitness. Hybrids are more successful in siring seed of F. angust in some hybrid zones",Fertile,1,1,,Higher_BHS,Higher_BHS,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,Assumed weak/absent,,1,1,,,,,0,2,Asymmetric gene flow,From F. angust. into F. excel.,Mod,Yes,,-,-,Androdioecious,Trioecious,ref,ref,SI (see Tm),SI (see Tm),,,,,,,Androdioecious,Trioecious,And-Tri,Androdioecious_Trioecious,And_x_Tri,0.98,0.96,ref,ref (see Bacles e al  2005 and Morand-Prieur 2003),A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Gérard et al., 2006, 2013; Fernándes–Manjarrés et al., 2006",,,SSRs,Structure,,,,,,,,,,,,,,,,,,Asymmetric gene flow,low_variable,Yes,From F. angust. into F. excel.,Fraxinus excelsior,,,,,,,
130,Silene dioica,Silene latifolia,Caryophyllaceae,Silene,0.4,TZ,Bimodal - Characterized by presence of late generation backcrosses. Intermediate hybrids occur at low frequency.,Bimodal,0,,Fertile F1s and backcrosses. F2s underperform relative to F1s indicating hybrid breakdown,Fertile,1,,,,Reduced,"Divergent habitat preference, conspecific pollen advantage exhibited by S. lat.",,,,0,0,1,,,,,1,2,1,,,,,Hybrid inviability (extrinsic) and hybrid breakdown due to genic incompatibility ,,,0,,,1,1,2,4,"Porous genome, impermeable to some outlier loci ",Birectional gene flow,High,No,,homomorphic XY,heteromorphic XY,Dioecious,Dioecious,ref & tos,ref & tos,SI,SI,inferred,inferred,,,,,Dioecious,Dioecious,D-D,Dioecious_Dioecious,D_x_D,,,,,B,B,B_B,B-I,B-I,ref,ref,Moth,Butterfly/Bumblebee,1,Herb,Herb,Herb_Herb,,,"Minder et al., 2007; Minde, Widmer, 2008; Karrenberg, Favre, 2008; Rahmé et al., 2009; Favre et al., 2017",,,AFLPs,hybrid index,approx,125,70,55,,,,,22,22,17.6,0.46,0.293478261,,,,,"Porous genome, impermeable to some outlier loci ",high,,Birectional gene flow,,"hybrid index bimodal in allopatry but breaks down in sympatry (i.e. parents cluster around 0.15 and 0.80) with a range of h values. marginally directional to one species, but backcrosses in both directions",,,,,,
124,Salix helvetica,Salix purpurea,Salicaceae,Salix,-,Mosaic. An evolutionary novelty hybrid zone also indicated,"Both parents, F1s and later generation hybrids (probably F2s and backcrosses) present",Unimodal,0,,Female hybrids exhibit reduced seed set. Male hybrids fertile. Hybrids occur in more extreme habitats ,Reduced,0.5,1,,Variable_habitat_asymm,Variable_habitat_asymm,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Reduced seed set in hybrids,,,0,,1,,,1,2,Gene flow within HZ. No evidence for it beyond hybrid zone.,,HZ only,No,,-,homomorphic ZW,Dioecious,Dioecious,ref,ref,SI,SI,inferred,inferred,,,,,Dioecious,Dioecious,D-D,Dioecious_Dioecious,D_x_D,,,,,B,B,B_B,B-I,B-I,add_ref,add_ref,,,0,Shrub,Shrub,Shrub_Shrub,,,"Gramlich, Hörandl, 2016; Gramlich et al., 2016",Füssel 2007,,SSRs,"structure, newhybrids",yes,207,103,104,33,24,,,,57,27.53623188,0.33,0.507575758,,,,,Gene flow within HZ. No evidence for it beyond hybrid zone.,low,,,Salix helvetica,"range of hybrid classes but Fst rather high. Slight excess of backcrosses with s. purpurea, suggests more introgression fom S.purpuerea to S. helvetica",,,,,,
81,Populus alba,Populus tremula,Salicaceae,Populus,-,TZs indicated by steep genomic clines ,Unimodal. F1-DZs. ,Unimodal,0,,"Fertile F1s, but selection acts against early generation recombinant genotypes to maintain RI of species",Fertile,1,,,Reduced,Reduced,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,BDM and cytonuclear incompatibilities and/or breakdown of coadaptation of genes in genetic or biochemical pathways,,,0,1,,1,,2,3,Low,Asymmetric introgression indicated mainly into P. alba,Low,Yes,,-,homomorphic XY,Dioecious,Dioecious,tos and ref,tos and ref,SI,SI,inferred,inferred,,,,,Dioecious,Dioecious,D-D,Dioecious_Dioecious,D_x_D,,,,,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Lindtke et al., 2012, 2014; Christe et al., 2016, 2017; Zeng et al., 2016",,,SSRs,Structure,no,,,,,,,,,,,0.35,0.464285714,,,,,Low,low,yes,"diffcult to count the numbers, but seems like adavanced generation backcrosses dominate",Populus alba,,,,,,,
82,Populus angustifolia,Populus deltoides,Salicaceae,Populus,-,TZ indicated by steep marker clines,Bimodal – ~13% of trees were hybrid and predominantly F1s. A few F2s and backcrosses to both parents identified ,Bimodal,0,,F1s show at least partial fertility based on presence of some F2s and backcrosses in HZ,Reduced,0.5,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,"Not studied, but suggested there might be strong BDM incompatibility",,,0,,,1,,1,2,"Low. Some markers introgress, others do not ",Mainly bidirectional,Low,No,,-,homomorphic XY,Dioecious,Dioecious,tos and ref,tos and ref,SI,SI,inferred,inferred,,,,,Dioecious,Dioecious,D-D,Dioecious_Dioecious,D_x_D,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Hersch‐Green et al., 2014","Lindtke et al., 2014",,SSRs,"Structure, newhybrids",yes,268,135,103,12,4,,2,12,30,11.19402985,0.45,0.305555556,,,,,"Low. Some markers introgress, others do not ",low,no,Mainly bidirectional,,,,,Low,,,
83,Populus angustifolia,Populus fremontii,Salicaceae,Populus,error: idem in the database,TZ for most markers. Genomes porous for some markers,Wide range of hybrid genotypes produce steep clines. Most markers do not introgress beyond hybrid zone ,,,,"Hybrids more susceptible to aphid attack, but as fit as one parent for sexual reproduction and 2-4 times fitter than both parents for asexual reproduction",Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Reduced hybrid fitness due to aphid susceptibility (extrinsic),,,0,,,,1,1,2,"Very low except for some markers showing long-distance, asymmetric introgression into P. angust",,Low,Yes,,-,-,Dioecious,Dioecious,tos,tos,SI,SI,inferred,inferred,,,,,Dioecious,Dioecious,D-D,Dioecious_Dioecious,D_x_D,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Whitham, 1989; Martinsen et al., 2001; Schweitzer et al., 2002","Lindtke et al., 2014",,RAPDs,,no,,,,,,,,,,,,,,,,,"Very low except for some markers showing long-distance, asymmetric introgression into P. angust",verylow,yes,,Populus angustifolia,"difficult to count classes, but interesting study Martinsen",,,,,,
84,Populus balsamifera,Populus deltoides,Salicaceae,Populus,-,,Possible F1-DHZ. Mainly F1s and a few backcrosses,Trimodal,0,,Fertile F1s. Reduced hybrid fitness relative to parents in terms of reproductive biomass and seed yield,Fertile,1,,,Reduced,Reduced,Divergent phenology,,,,0,0,,,1,,,,1,,,,,,"Crosses only successful when P. delt. is maternal parent, reduced hybrid fitness and rarity of post-F1s all indicate incompatibility and hybrid breakdown",1,,0,,,1,,1,2,Low,Mainly asymmetric into P. delt. ,Low,Yes,,homomorphic XY,homomorphic XY,Dioecious,Dioecious,tos and ref,tos and ref,SI,SI,inferred,inferred,,,,,Dioecious,Dioecious,D-D,Dioecious_Dioecious,D_x_D,,,,,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Hamzeh et al., 2007; Roe et al., 2014",,,SNPs,,no,,,,,,,,,,,,,,,,,Low,low,,Mainly asymmetric into P. delt. ,,"cant get reliable numbers, also they preselected intermediate looking trees.",,,,,,
85,Populus laurifolia,Populus nigra,Salicaceae,Populus,-,Mosaic. BHS due to presence of F1s or TZ due to low fitness of post-F1s ,F1-DZ,Trimodal,0,,"Fertile F1s, but not known if their seed germinate. Seedlings not found in HZs",Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,"Reduced post-F1 fitness due to BDM incompatibilities, and/or breakdown of coadaptation of genes in genetic or biochemical pathways",,,0,,,1,,1,2,Low due to rarity of post F1 hybrid genotypes in HZ,,Low,NS,,-,homomorphic XY,Dioecious,Dioecious,tos and ref,tos and ref,SI,SI,inferred,inferred,,,,,Dioecious,Dioecious,D-D,Dioecious_Dioecious,D_x_D,,,,,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Jiang et al., 2016",,,"SSRs, sequences","Structure, newhybrids",no,215,,,181,,,,34,215,,0.28,0.642857143,IMa2,,,,Low due to rarity of post F1 hybrid genotypes in HZ,low,yes,,Populus nigra,"mostly F1s and maybe some backcrosses, but hard to quantify relative proportions",,,,,,
122,Salix alba,Salix fragilis,Salicaceae,Salix,16.9,TZ  assumed,"Trimodal (F1-DHZ). Comprises both parents, many F1s, very few F2s and backcrosses",Trimodal,0,,No evidence of hybrid steriity in the literature. No information on fitness of hybrids relative to parents.,Fertile,1,,,,,,,,,1,0,,,,,,,0,,,,,,"Rarity of post-F1s due to ecological inviability (extrinsic), or hybrid breakdown (intrinsic)",,,0,,,1,1,2,2,Assumed gene flow is very low  due to low frequency of later generation hybrids,,Low,NS,,-,-,Dioecious,Dioecious,add_ref,add_ref,SI,SI,inferred,inferred,,,,,Dioecious,Dioecious,D-D,Dioecious_Dioecious,D_x_D,,,,,B,B,B_B,B-I,B-I,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Oberprieler et al., 2013",Füssel 2007,,AFLPs,"structure, newhybrids",no,,,,,,,,,,,,,,,,,Assumed gene flow is very low  due to low frequency of later generation hybrids,verylow,,,,"unclear how sampling was done to be able to quantify numbers of each class. However, nearly all hybrids are F1. Maybe limited gene flow",,,,,,
123,Salix eriocephala,Salix sericea,Salicaceae,Salix,error: idem in the database,Not stated. Not a good fit to any traditional model ,"Parents and wide range of hybrid genotypes present. Hybrids thought to comprise F1s, F2s and backcrosses",Unimodal,0,,Hybrids exhibit reduced filled seed set and germination rate. But fitness differences were environmental dependent ,Fertile,1,,,Variable_habitat_asymm,Variable_habitat_asymm,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Hybrids exhibit reduced seed set and germination possibly due to genic incompatibility,,,0,,,1,,1,2,Gene flow occurs in hybrid zone,Bias towards S. erio.,HZ only,Yes,,-,-,Dioecious,Dioecious,ref,ref,SI,SI,inferred,inferred,,,,,Dioecious,Dioecious,D-D,Dioecious_Dioecious,D_x_D,,,,,B,B,B_B,B-I,B-I,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Hardig et al., 2000; Fritz et al., 2006",,,RAPDs,hybridindex,no,50,,,,,,,,20,,,,,,,,Gene flow occurs in hybrid zone,low,,Bias towards S. erio.,Salix eriocephala,"difficult to quantify class numbers. Appears to be advanced gen hybrids despite clump of H scores aroung 0.5. They have complimentary losses of different markers, so not fully heterozygote as one would expect. Not strong evidnece for asymmetry",,,,,,
34,Eleocharis cellulosa,Eleocharis interstincta,Cyperaceae,Eleocharis,error: idem in the database,Mosaic,Trimodal. Parental and probably F1 hybrids ,Trimodal,,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Assumed absent/very low ,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,,,No info found,No info found,,,,,,,No info found,No info found,No info found,No info found_No info found,,,,,,,,,,,,,,,1,Herb,Herb,Herb_Herb,,,"Košnar et al., 2010",,,ISSR/ITS,,,,,,,,,,,,,,,,,,,Assumed absent/very low ,verylow,,,,"Some hybrids present, but paper had to decipher",,,,,,
60,Ophrys fusca,Ophrys lutea,Orchidaceae,Ophrys,1.2,,Larger hybrid populations appear to be hybrid swarms containing range of admixed types and both parents ,Unimodal,0,,"Hybrid fertility assumed, due to presence of wide range of admixed individuals",Fertile,1,,,,,Weak,1,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Possibly high,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,,,,,,,,,No info found,No info found,No info found,No info found_No info found,,,,,,B,B,B_B,B-I,B-I,ref,ref,Mining bee,Mining bee,1,Herb,Herb,Herb_Herb,,,"Cotrim et al., 2016","Ascenso et al., 2005",,,,,,,,,,,,,,,,,,,,,Possibly high,,,,,"Excluded, no mating system information",,,,,,
121,Sabatia arenicola,Sabatia formosa,Gentianaceae,Sabatia arenicola,-,Clinal,Introgressants identified along with S. formosa. Pure S. arenicola absent,,,,,,,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,Gene flow within hybrid zone,likely biased towards S. arenicola,HZ only,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,,,,,,,,,No info found,No info found,No info found,No info found_No info found,,,,,,,,,,,,,,,1,Herb,Herb,Herb_Herb,,,"Bell, Lester, 1978",,,Allozymes,no,no,,,,,,,,,,,,,,,,,Gene flow within hybrid zone,,,likely biased towards S. arenicola,,cant resolve much with this data,,,,,,
53,Leucosceptrum japonicum,Leucosceptrum stellipilum,Lamiaceae,Leucosceptrum ,2.3,Mosaic,Unimodal (containing very few or wide range of intermediate genotypes) or Bimodal,,,,,,,,,,,Divergent phenology. Local ecological conditions may determine hybridization frequency,,,,0,0,,,1,,,,1,,,,,,,,,1,,,,,0,1,Not examined but backcrosses present in some zones,,Mod,NS,,,,,,,,No info found,No info found,,,,,,,No info found,No info found,No info found,No info found_No info found,,,,,,B,B,B_B,B-I,B-I,ref,ref,Bumblebee,Bumblebee,0,Shrub,Shrub,Shrub_Shrub,,,"Li, Maki, 2015; Li et al., 2015",,,,,,,,,,,,,,,,,,,,,,Not examined but backcrosses present in some zones,,,,,"Excluded, no mating system information",,,,,,
112,Rhododendron aganniphum,Rhododendron phaeochrysum,Ericaceae,Rhododendron,-,Mosaic. Two hybrid populations studied ,"One hybrid population possibly an F1-DZ; other a hybrid swarm, containing a wide range of hybrid genotypes",Unimodal,0,,F1s are fertile. But many markers show TRD in F1 generation.,Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,"Many markers distinguishing species show TRD in F1 generation, indicating BDM incompatibility",,,0,,,1,,1,2,"Assumed low in putative F1-DZ, but high in other hybrid population where gene flow was asymmetrical towards R. agan. ",Asymmetrical towards R. agan. In some populations,High,Yes,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,,,,,,,,,No info found,No info found,No info found,No info found_No info found,,,,,,,,_,,,,,,,0,Shrub,Shrub,Shrub_Shrub,,,"Marczewski et al., 2015","Zha et al., 2010",,,,,,,,,,,,,,,,,,,,,"Assumed low in putative F1-DZ, but high in other hybrid population where gene flow was asymmetrical towards R. agan. ",low,yes,Asymmetrical towards R. agan. In some populations,Rhododendron aganniphum,Asymmetric in some populations,,,,,,
113,Rhododendron caucasicum,Rhododendron ponticum,Ericaceae,Rhododendron,4, BHS or TZ and hybrid swarms,Unimodal - F1-DZ: Only fertile F1s occur in hybrid zone. Later generation hybrids and backcrosses absent. Hybrid swarm contains wide range of hybrid genotypes,Unimodal,0,,"Fertile F1s. Post-F1 hybrids absent from F1-DZ. F1 intercrossing and backcrossing produce good germinable seed, but progeny not recruited to hybrid zone.",Fertile,1,,,,Reduced,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,"Very low extrinsic fitness of post-F1s in ecotone. Hybrid swarms containing F1s, post-F1s and parents occupy disturbed sites elsewhere ",,,0,,,,1,1,2,Assumed low or absent except in hybrid swarms occupying disturbed sites,,HZ only,NS,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,,,,,,,,,No info found,No info found,No info found,No info found_No info found,,,,,,,B,_B,,B-I,,ref,,,0,Shrub,Shrub,Shrub_Shrub,,,"Milne et al., 2003","Zha et al., 2010",,,,,,,,,,,,,,,,,,,,,Assumed low or absent except in hybrid swarms occupying disturbed sites,verylow,,,,"Only F1s, parents parapatric. Listed as unimodal, but kind of trimodal depending on the scale",,,,,,
127,Schiedea menziesii,Schiedea salicaria,Caryophyllaceae,Schiedea,1.7,,Bimodal - Mixture of parents and hybrids likely representing later generation types,Bimodal,0,,Hybrids show high fertility and viability in cultivation ,Fertile,1,,,,,Spatial separation of parent species,,,,0,0,,,,1,,,1,,,,,,"Thought to be low or absent, but requires examination",,1,1,,,,,0,1,,Asymmetrical bias towards S. menz.,High,Yes,,-,-,Hermaphroditic,gynodioecious,ref,ref,SC,SC,ref,inferred from tm,"moderately selfing, protandrous, potentially geitonogamous pollinations",hermaphroditic partially selfing and female plants outcrossing,,,SC-OC,gynodioecious,SC-Gyn,SC-OC_gynodioecious,SC_OC_x_Gyn,0.393,0.6,tm,tm,A,A,A_A,A,A,ref,ref,,,0,Shrub,Shrub,Shrub_Shrub,,,"Wallace et al., 2011",,,SSRs,structure,no,,,,,,,,,,,0.17,1.220588235,,,,,,low,yes,Asymmetrical bias towards S. menz.,Schiedea menziesii,"selfing and inbreeding depression estimated in both species. Some hybrids, but markers don’t seem to reliably be able to cluster individuals. But it seems like a range of backcrosses are present and no LD. ",,,,,,
3,Aegilops geniculata,Aegilops triuncialis,Poaceae,Aegilops,-,Mosaic. (Not stated),Clinal.  Range of early-late backcross classes evident,Unimodal,0,,F1s are male sterile. F1 seed fail to germinate when A. gen is mother,Sterile_asym,0,1,,,,Both species are selfers,,,1,0,1,,,,,,,1,,,,,,Asymmetric reflecting nuclear-cytoplasmic incompatibility,1,,0,1,,,,1,2,Low,asymmetric towards A. triunc,Low,Yes,,,,,,?,?,SC,SC,ref,ref,,,,,SC-S,SC-S,SC-SC,SC-S_SC-S,SC_both_S,,,,,A,A,A_A,A,A,ref,ref,,,1,Herb,Herb,Herb_Herb,,,"Senerchia et al., 2016","Arrigo et al 2010, Zaharieva et al 2003","Zaharieva and Monneveux (2006) Bread wheat, wild Aegilops species, and Triticum species are predominantly autogamous",AFLPs,genomicClines,,67,,,,,,,16,16,23.88059701,,,,,,,Low,low,Yes,towards A. triunc,Aegilops triuncialis,percent hybrids 18.5%-35.7% from four populations,,,,,,
5,Ainsliaea apiculata,Ainsliaea faurieana,Asteraceae,Ainsliaea,-,Possible BHS zone. Hybrids occupy ecotone between parents. (Not stated),"Unimodal - Only F1s and F2s present in two HZs, backcrosses present in one HZ with parents at low frequency in all three zones",Unimodal,0,,F1s fully fertile and viable,Fertile,1,,High,,,Demonstrated divergent habitat preference and mating system (A. apic frequently undergoes selfing),,,1,0,1,1,,,,,,2,,,,,,Assumed weak/absent ,,1,1,,,,,0,2,Gene flow occurs only within narrow region occupied by hybrids ,,HZ only,NS,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,SC,SC,ref,ref,chasmogamous (CH) and cleistogamous (CL) flowers. Often propagates by selfing,chasmogamous (CH). More outcrossing like ancestral lineages?,,,SC-S,SC-S,SC-SC,SC-S_SC-S,SC_both_S,0.77,0.88,,,A,A,A_A,B-I,B-I,ref,ref,Bee/Syrphid,Bee/Syrphid,1,Herb,Herb,Herb_Herb,,seeds wind-dispersed,"Mitsui et al., 2011","Ohtsuka et. al (2005), Whatanabe et al. (1992)",,SSRs,Newhybrids,,445,178,178,17,50,12,7,,86,19.3258427,,,,,,,Gene flow occurs only within narrow region occupied by hybrids ,low_variable,,,,"6 populations, variation in hybridisation rates (0-39%)",,,,,,
7,Anacamptis morio,Anacamptis papilionacea,Orchidaceae,Anacamptis,6.8,,Trimodal - Both parents and F1 ,Trimodal,0,,F1s in HZ are vigorous but fail to produce viable seed. Synthetic F1s mainly sterile. ,Sterile,0,,,High,,Pollinators avoid hybrids,,,,0,0,,1,,,,,1,,,,,,Strong - F1 sterility stems from meiotic irregularities due to parental chromosome number difference ,,,0,,,1,,1,2,Absent,"Bidirectional hybridization occurs, but pollinators avoid hybrids",Low,No,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,SC,SC,add_ref,add_ref,Likely outcrosser,Promotes outcrossing,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Bee (Eucera bees),Bee (Eucera bees)/Bumblebee,1,Herb,Herb,Herb_Herb,,"Taxa 1 - no nectar (reward) - deceptive, queen bumblebees","Moccia et al., 2007","Pellegrino et al (2010), Johnson et al., (2004)",,AFLPs,Hindex,,333,138,123,72,,,,,72,21.62162162,,,,,,,Absent,low,No,,,"2 hybrid zones. Variation in hybridisation rates. But no F2s or advanced gen hybrids. F1s are sterile, so no introgression",,,,,,
9,Aquilegia formosa,Aquilegia pubescens,Ranunculaceae,Aquilegia,1.2,Mosaic,"Hybrid swarms, many advanced generation hybrids",Unimodal,0,,Assumed high ,Fertile,1,,,High,,Species-specific pollinators; possible divergent habitat preference. ,,,,0,0,1,1,,,,,2,,,,,,Assumed weak,,1,1,,,,,0,2,Very low. Largely confined to area close to HZ,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,,,SC,SC,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.782,0.69,tm,,B,B,B_B,B-I & B-BM,B-I,tm,,Hummingbirds(main)/Hawkmoth,Hawkmoths(main)/Hummingbird,1,Herb,Herb,Herb_Herb,,Bees not mentioned in ref. Also implied that hummingbirds/hawkmoths visit the other subspecies,"Noutsos et al., 2014","Fulton and Hodges (1999), Yang and Hodges (2010)",,SNPs,Structure,,1000,375,375,,,,,250,250,25,,,,,,,Very low. Largely confined to area close to HZ,low,,,,"frequent hybrids and advanced generations. Fst has been used, but no values reported",,,,,,
10,Aquilegia japonica,Aquilegia oxysepala,Ranunculaceae,Aquilegia,4.8,Mosaic,Unimodal,Unimodal,0,,,,,,,,,Divergent habitat and pollinator preference,,,,0,0,1,1,,,,,2,,,,,,,,,1,,,,,0,2,Very low or absent. Species strongly differentiated genetically ,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,,add_ref,SC,SC,,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,,B-I,,add_ref,,Bumblebee,1,Herb,Herb,Herb_Herb,,,"Li et al., 2014","Itagaki et al., 2006",,SSRs/Sequences,Structure,,64,40,12,,,,,12,12,18.75,0.31,0.556451613,,,,,Very low or absent. Species strongly differentiated genetically ,verylow,,,,only included JPD and OPD and hybrid population in totals. The rest of pops 100s kms away. ,,,,,,
11,Arctium lappa,Arctium minus,Asteraceae,Arctium,6.3,,Bimodal. Both parents and a few early generation hybrids (possibly F1s),Bimodal,0,,Fertile F1s pollen fertile but exhibit reduced viable seed production and germination,Fertile,1,,Reduced,Reduced,,Not evident though could be strong due to rarity of putative F1s. ,,1,,1,0,,,,,,,0,,,,,,Reduced viable seed production and germination of putative F1s indicate genetic incompatibility. ,,,0,,,1,,1,1,Very low,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SC,SC,add_ref,add_ref,,Outcrossing suggested as more comon (add_ref),,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,add_ref,add_ref,Bee/Butterfly,Bee/Butterfly,1,Herb,Herb,Herb_Herb,,,"Repplinger et al., 2007","Gross et al., 1980",,RAPDs,,,,,,4,,,,,4,,,,,,,,Very low,verylow,,,,"very low gene flow because only F1 hybrids detected. we didn’t include counts of parents due to low sampling, unclear if bias towards hybrids",,,,,,
12,Arctium lappa,Arctium tomentosum,Asteraceae,Arctium,11.1,,Bimodal. Both parents and a few early generation hybrids (possibly F1s),Bimodal,0,,Fertile F1s pollen fertile but exhibit reduced viable seed production and germination,Fertile,1,,Reduced,Reduced,,Not evident though could be strong due to rarity of putative F1s. ,,1,,1,0,,,,,,,0,,,,,,Reduced viable seed production and germination of putative F1s indicate genetic incompatibility,,,0,,,1,,1,1,Very low,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,add_ref,SC,SC,add_ref,?,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,add_ref,,Bee/Butterfly,Insect/bees,1,Herb,Herb,Herb_Herb,,,"Repplinger et al., 2007","Gross et al., 1980; Wróblewska and Stawiarz (2012)",,RAPDs,,,,,,4,,,,,4,,,,,,,,Very low,verylow,,,,"very low gene flow because only F1 hybrids detected. we didn’t include counts of parents due to low sampling, unclear if bias towards hybrids",,,,,,
14,Argyranthemum broussonetii,Argyranthemum frutescens,Asteraceae,Argyranthemum,error: idem in the database,Evolutionary novelty – Hybrid speciation,Advanced generation hybrids,,0,,High for some hybrids,,,,,,,Divergent habitat preference. ,,,,0,0,1,,,,,,1,,,,,,Assumed weak/absent,,1,1,,,,,0,1,Very low,,Low,NS,,,,,,,,Limited SC,Limited SC,ref,ref,Outcrossing,Outcrossing,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,,,,,,,,,,1,Herb,Herb,Herb_Herb,,Most information cited from various papers by J. Francisco-Ortega (still need to download papers),"Fjellheim et al., 2009",,,AFLPs,Structure,,,,,,,,,,,,,,,,,,Very low,verylow,,,,difficult to obtain numbers of hybrids from paper,,,,,,
19,Begonia heracleifolia,Begonia nelumbiifolia,Begoniaceae,Begonia,-,Mosaic,Trimodal. Parents and a few F1 hybrids present,Trimodal,0,,,,,,,,,Some selfing,,,1,1,0,,,,,,,0,,,,,,"Very strong, genic incompatibility indicated",,,0,,,1,,1,1,Absent,,Low,NS,,-,-,Monoecious,Monoecious,add_ref,,SC,SC,ref,ref,equilibrium selfing rates of 0.40,equilibrium selfing rates of 0.62,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.6,0.38,Twyford et al. (2015),Twyford et al. (2015),B,B,B_B,B-I,B-I,add_ref,add_ref,,,1,Herb,Herb,Herb_Herb,,,"Twyford et al., 2015","Twyford et al., 2014",,SSRs,Newhybrids,,187,88,99,6,,,,,6,3.20855615,0.47,0.281914894,,,,,Absent,verylow,,,,"All F1s, no evidence of later generation hybrids",,,,,,
20,Begonia heracleifolia,Begonia sericoneura,Begoniaceae,Begonia,error: idem in the database,Mosaic,Trimodal.  Mainly sterile F1s with parents,Trimodal,0,,Hybrid sterility,Sterile,0,,,,,Some selfing,,,1,1,0,,,,,,,0,,,,,,Hybrid sterility,,,0,,,1,,1,1,Very low,,Low,NS,,-,-,Monoecious,Monoecious,add_ref,,SC,SC,ref,ref,equilibrium selfing rates of 0.40,equilibrium selfing rates of 0.59,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.6,0.59,Twyford et al. (2015),Twyford et al. (2015),B,B,B_B,B-I,B-I,add_ref,add_ref,,,1,Herb,Herb,Herb_Herb,,,"Twyford et al., 2015","Twyford et al., 2014",,SSRs,Newhybrids,,68,41,27,25,,,2,5,32,47.05882353,,,,,,,Very low,low,,,,No BCs to taxa 1 (B. het) or F2s,,,,,,
26,Carex curvula curvula,Carex curvula rosae,Cyperaceae,Carex,error: idem in the database,Evolutionary novelty,,,,,"Assumed low in parental habitats, but superior in marginal intermediate habitats",,,,,Low_parental_habitat,Low_parental_habitat,Divergent habitat preference.  ,,,,0,0,1,,,,,,1,,,,,,Assumed absent,,1,1,,,,,0,1,Very low,,Low,NS,,-,-,Monoecious,Monoecious,ref,ref,SC,SC,,,"Protogynous, mainly outcrossing","Protogynous, mainly outcrossing",,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,A,A,A_A,A,A,ref,ref,,,1,Herb,Herb,Herb_Herb,,,"Choler et al., 2004",,,AFLPs,,,,,,,,,,,,,0.35,0.464285714,,,,,Very low,verylow,,,,"No numbers available, based on FST and interpretation from the paper. Hybrids occur in marginal populations",,,,,,
27,Carex limosa,Carex rariflora,Cyperaceae,Carex,-,TZ due to F1 sterility. But F1s are vigorous and produce large clones dominating some populations,Trimodal – Both parents and F1s,Trimodal,0,,F1s exhibit very low pollen fertility and seed production,Sterile,0,,Low,,,Divergent habitat preference.  ,,,,0,0,1,,,,,,1,,,,,,Extrinsic - F1s exhibit low disease resistance relative to parents. Intrinsic - High F1 sterility indicates genic incompatibility ,,,0,,,,1,1,2,,,,,,-,-,Monoecious,Monoecious,,,SC,SC,"Assumed SC (genus), but with wind pollination likely SC-OC",,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,A,A,A_A,A,A,additional ref,additional ref,,,1,Herb,Herb,Herb_Herb,Yes,,"McIntire, Waterway, 2002",https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5206977.pdf,,Allozymes,,? Clonal,75,14,17,,,,,44,44,58.66666667,,,,,,,,,,,,"Based on Genets, but it varied among the three sites as did clonality",,,,,,
29,Cirsium californicum,Cirsium occidentale,Asteraceae,Cirsium,-,,Hybrid swarm. Wide range of hybrids indicated ,Unimodal,0,,Hybrids exhibit high pollen and ovule fertility,Fertile,1,,High,,,Not evident in zone,,,,1,0,,,,,,,0,,,,,,Assumed absent or very weak,,1,1,,,,,0,0,Assumed to be very high within zone,,HZ only,NS,"85% of sample had fertility >80% (hybrids not identified, but assumed no differece between hybrids and parental in pollen fertility)",-,-,Hermaphroditic,Hermaphroditic,,tos,SC,SC,additional ref,,"Very few fruits on bagged plants, more fruits when cross-pollinated",,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,,,,,1,Herb,Herb,Herb_Herb,,,"Wells, 1983",https://www.jstor.org/stable/41426184,,Allozymes,,,,,,,,,,,,,,,,,,,Assumed to be very high within zone,high,,,,"Whole populaiton is hybrids, but allozymes and morphometrics imply that differentiation is related to ecology",,,,,,
30,Clarkia xantiana parviflora,Clarkia xantiana xantiana,Onagraceae,Clarkia,error: idem in the database,Mosaic,Bimodal - Parental and rare intermediately admixed individuals,Bimodal,0,,,,,,,,,"Divergent phenology, pollinator preference and mating system",,,1,0,1,,1,1,,,,3,,,,,,Crosses from selfer to outcrosser fail to produce seed (genic incompatibility),1,,0,,,1,,1,4,Recent and very low; restricted to sympatric sites,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SC,SC,ref,ref,Primarily selfing,Primarily outcrossing,,,SC-S,SC-OC,SC-SC,SC-S_SC-OC,SC_OC_x_S,,,,,B,B,B_B,B-I,B-I,ref,ref,Bee,Bee,1,Herb,Herb,Herb_Herb,,,"Pettengill, Moeller, 2012; Briscoe Runquist et al., 2014",,,SSRs,ABC model/Structure,,,,,,,,,,,,,,,,,,Recent and very low; restricted to sympatric sites,low,Yes, from parviflora to xantiana,Clarkia xantiana xantiana,"Migration rate - Mxan to par = 1.169; Mpar to xan = 0.897, minimal amounts of introgression; introgression appears to be limited to the narrow geographic region where the two taxa co-occur and that gene flow is asymmetric primarily from parviflora to xantiana
of in",,,,,,
31,Costus pulverulentus,Costus scaber,Costaceae,Costus,error: idem in the database,Mosaic,Bimodal - Very few hybrids (mainly F1s),Bimodal,0,,"Reduced F1 seed germination, but F1 plants vigorous and fertile in greenhouse. Pollen fertility often reduced in F2s and backcrosses",Fertile,1,,Reduced,Reduced,,"Divergent habitat preference and floral structure, partial incompatibility.",,,,0,0,1,,,,1,,2,,,,,1,Reduced seed germination of F1s and pollen fertility of F2s and backcrosses indicate genic incompatibility,,,0,,,1,,1,3,Very low in sympatric areas,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SC,SC,ref,ref,Primarily outcrossing,Primarily outcrossing,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-BM,B-BM & B-I,ref,ref,Hummingbird,Hummingbird/Bee(rarely),1,Herb,Herb,Herb_Herb,,,"Kay, 2006; Surget‐Groba & Kay, 2013",,,SSRs,Structure/Newhybrids,,,,,,,,,,,,,,,,,,Very low in sympatric areas,verylow,,,,"Between species GST values range 0,47 - 0,87, only 4 F1 hybrids and 1 BC detected. Only 2.7% has between 5-10% genome of the other species, 1% had >10% genome of the other species",,,,,,
35,Epidendrum calanthum,Epidendrum cochlidium,Orchidaceae,Epidendrum,error: idem in the database,Mosaic,Mainly Bimodal - High frequency of backcrosses to E. cal.,Bimodal,1,E. cal.,Backcrosses and F2s in sympatric populations indicate F1s are fertile,Fertile,1,,,,,Very weak - no habitat and pollinator preferences or flowering time difference,1,,,1,0,,,,,,,0,,,,,,Very weak,,1,1,,,,,0,0,High in sympatric populations. Low between allopatric populations,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,SC,SC,add_ref,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Butterfly/Syrphid,Butterfly/Syrphid,1,Herb,Herb,Herb_Herb,,,"Vega et al., 2013",,,cpDNA/AFLPs,Newhybrids,,,,,,,,,,,,,,,,,,High in sympatric populations. Low between allopatric populations,high,Yes,Towards E. cal,Epidendrum calanthum,"These results pertain to all three studies. 550 of 734 were hybrids. Backcrosses evident, some F1s, low frequency of F2s - but later generation hybrids provides evidence of past and current gene flow. Only % of some hybrids given. For BCs E. cal predominant mother",,,,,,
36,Epidendrum calanthum,Epidendrum schistochilum,Orchidaceae,Epidendrum,error: idem in the database,Mosaic,Mainly Bimodal - High frequency of backcrosses to E. schist.,Bimodal,1,E. schist.,Backcrosses and F2s in sympatric populations indicate F1s are fertile,Fertile,1,,,,,Very weak - no habitat and pollinator preferences or flowering time difference,1,,,1,0,,,,,,,0,,,,,,Very weak,,1,1,,,,,0,0,High in sympatric populations. Low between allopatric populations,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,SC,SC,add_ref,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Butterfly/Syrphid,Butterfly/Syrphid,1,Herb,Herb,Herb_Herb,,,"Vega et al., 2013",,,cpDNA/AFLPs,Newhybrids,,,,,,,,,,,,,,,,,,High in sympatric populations. Low between allopatric populations,high,Yes,Towards E. schistochilum,Epidendrum schistochilum,BC twoards E. schistochilum predominant (E. sch predominant mother),,,,,,
37,Epidendrum cochlidium,Epidendrum schistochilum,Orchidaceae,Epidendrum,error: idem in the database,Mosaic,Mainly Unimodal - High frequency of F1s ,Unimodal,0,,Backcrosses and F2s in sympatric populations indicate F1s are fertile,Fertile,1,,,,,Very weak - no habitat and pollinator preferences or flowering time differences,1,,,1,0,,,,,,,0,,,,,,Very weak,,1,1,,,,,0,0,High in sympatric populations. Low between allopatric populations,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,SC,SC,add_ref,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Butterfly/Syrphid,Butterfly/Syrphid,1,Herb,Herb,Herb_Herb,,,"Vega et al., 2013",,,cpDNA/AFLPs,Newhybrids,,,,,,,,,,,,,,,,,,High in sympatric populations. Low between allopatric populations,high,Yes,Towards E. schistochilum,Epidendrum schistochilum,BC twoards E. schistochilum predominant (E. sch predominant mother). ,,,,,,
44,Geum rivale,Geum urbanum,Rosaceae,Geum,12.9,Hybrid swarm,"Parental, F1s and backcrosses to G. rivale (outcrosser). F1s more common than backcrosses",Unimodal,1,G. rivale,"Assumed that apart from F1s and backcrosses, hybrids have low extrinsic fitness",Fertile,1,,,,Reduced,Divergent phenology and mating system,,,1,0,1,,,1,,,,2,,,,,,Assumed some advanced generation hybrids have low extrinsic fitness ,,,0,,,,1,1,3,Very low,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI (but leaky),SC,,,outcrosser,selfer,,,SC-OC,SC-S,SC-SC,SC-OC_SC-S,SC_OC_x_S,0.73,0.118,tm,tm,B,B,B_B,B-I,B-I,ref,ref,Bumblebee(predominant),Fly(predominant),1,Herb,Herb,Herb_Herb,,ref mentions Tm at 70-90% and 80-95% respectively,"Ruhsam et al., 2011, 2013",,,AFLPs,Newhybrids,,,,,,,,,,,,,,,,,,Very low,low,Yes,Towards G. rivale,Geum rivale,Information on outcrossing rates for both species. Different patterns if looking at offspring vs adults in the hybrid swarm,,,,,,
48,Impatiens javensis,Impatiens radicans,Balsaminaceae,Impatiens,error: idem in the database,Not clear,,,,,No evidence,,,,,,,No evidence,1,,,1,0,,,,,,,0,,,,,,No evidence,,1,1,,,,,0,0,No evidence,,,,,,,,,,,,,Ugoletti et al. (2013),,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,,,,,1,Herb,Herb,Herb_Herb,,"see ""Why is cleistogamy a selected reproductive strategy in Impatiens capensis (Balsaminaceae)?"" for self-compatibility and protandrous mating system and ""Pollination Ecology and Pollination System of Impatiens reptans (Balsaminaceae) Endemic to China"" for pollination","Tsukaya, 2004",,,,,,,,,,,,,,,,,,,,,,No evidence,,,,,,,,,,,
51,Iris brevicaulis,Iris fulva,Iradaceae,Iris,error: idem in the database,Mosaic,"Bimodal - F1s and other intermediate genotypes very rare, advanced generation backcrosses common",Bimodal,0,,F1s and other intermediate hybrid genotypes exhibit reduced fitness. Backcrosses exhibit equivalent fitness to parents in parents' habitats and greater fitness in some novel habitats,Fertile,1,,,Reduced,Same_as_parental_or_greater,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,F1s and other intermediate hybrid genotypes exhibit reduced fitness relative to parents. High TRD in backcross families indicates genic incompatibility,,,0,,,1,,1,3,,"High locally, also evidence of introgressants present in allopatric populations of I. brev.",High,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,SC,SC,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.86,0.52,ref,ref,,B,_B,,B-I & B-BM,,tm & add_ref,,,1,Herb,Herb,Herb_Herb,,Disagreement on pollination between tm and add_ref!! Ref only mentions hummingbirds and bumblebees for other iris populations. Also disagreement on I. fulva Tm between ref and tm (0.752),"Cruzan, Arnold, 1993, 1994; Johnston et al., 2001; Tang et al., 2010; Hamlin, Arnold, 2014","Nason et al., 1992",,CpDNA/RAPDs,,Yes,170,24,51,,,,,95,95,55.88235294,,,,,,,"High locally, also evidence of introgressants present in allopatric populations of I. brev.",low_variable,Yes,Towards I. brev,Iris brevicaulis,"Advanced generation hybrids present, intermediate genotypes absent. Some evidence of asymmetries with intermediate hybrids more likely to have the I. brev cpDNA haplotpye",,,,,,
52,Iris fulva,Iris hexagona,Iradaceae,Iris,error: idem in the database,Mosaic,"Bimodal - F1s and other intermediate genotypes very rare, advanced generation backcrosses common",Bimodal,0,,Early generation hybrids have reduced pollen fertility,Reduced,0.5,,Reduced,,,"Divergent habitat and pollinator preference, conspecific pollen precedence",,,,0,0,1,1,,,,1,3,1,,,,,Reduced hybrid fertility may be due to difference in chromosome number,,,0,,,1,,1,4,,High within hybrid zone,High,NS,,-,-,Hermaphroditic,Hermaphroditic,,,SC,SC,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.52,0.9,ref,tm,B,B,B_B,B-I & B-BM,B-I & B-BM,tm & add_ref,tm & add_ref,,,1,Herb,Herb,Herb_Herb,,Disagreement on pollination between tm and add_ref!! Ref only mentions bees. Also disagreement on I. fulva Tm between ref and tm (0.752),"Arnold et al., 1990a,1990b; Hodges et al., 1996; Carney et al., 1994, 1996","Nason et al., 1992",,Allozymes,,,,,,,,,,,,,,,,,,,High within hybrid zone,high,No,,,Presence of advanced generation hybrids and localised introgression +  intorgression into allopatric populaitons,,,,,,
58,Mimulus guttatus,Mimulus nasutus,Phrymaceae,Mimulus,-,Probable TZ. (Not stated),Unimodal,Bimodal,0,,"Not examined directly, however indicated that selection acts against M. nas. ancestry in M. gutt. backgrounds",,,,,,,"Divergent phenology, habitat and mating system; pollen-pistil interaction",,,1,0,1,1,,1,,,1,4,,1,,,,Genic incompatibility (TRD common in mapping populations) ,,,0,,,1,,1,5, Asymmetric gene flow. Gene flow varies across genome,Towards M. gutt,Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,SC,SC,ref,ref,outcrosser,selfer,,,SC-OC,SC-S,SC-SC,SC-OC_SC-S,SC_OC_x_S,0.74,0.358,tm,tm,B,,B_,B-I,,ref,,Bee,,1,Herb,Herb,Herb_Herb,,"M. nasutus mostly closed flowers, but open flowers can rarely be visited by (bee) pollinators","Kenney, Sweigart, 2016",,,Sequences,Hapmix,,,,,,,,,,,,,,,,,, Asymmetric gene flow. Gene flow varies across genome,high,Yes,Towards M. gutt,Mimulus guttatus,"Genomic variation consistent with ongoing introgression, highly admixed individuals",,,,,,
59,Mimulus aurantiacus ssp. australis,Mimulus aurantiacus ssp. puniceus,Phrymaceae,Mimulus,error: idem in the database,"Steep cline for flower color maintained by strong selection, weak cline for neutral gene markers ",Unimodal,Unimodal,0,,,,,,,,,"Divergent habitat and pollinator preference; red flowers visited by hummingbirds, yellow flowers by hawkmoths; ecogeographic isolation",,,,0,0,1,1,,1,,,3,,,,,,Assumed weak/absent.,,1,1,,,,,0,3,"High for neutral genes, absent for flower color genes",,High,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,,,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I & B-BM,B-I & B-BM,ref,ref,Hawkmoth/Hummingbird(less frequent),Hummingbird/Hawkmoth(very rarely),1,Herb,Herb,Herb_Herb,,,"Streisfeld, Kohn, 2005, 2007; Streisfeld et al., 2013; Stankowski, Streisfeld, 2015; Stankowski et al., 2015, 2017; Sobel, Streisfeld, 2015",,,AFLPs,,,,,,,,,,,,,0.26,0.711538462,,,,,"High for neutral genes, absent for flower color genes",high,,,,"Differential introgression across the genome (neutral gene introgressed, flower colour not). FST much higher than QST",,,,,,
61,Orchis mascula,Orchis pauciflora,Orchidaceae,Orchis,2.9,Not stated. Single hybrid population investigated.,Hybrids comprise F1s (70%) and backcrosses (30%) to O. pauc.,Trimodal,1,O. pauc.,High hybrid sterility,Sterile,0,,,,,Divergent pollinator preference,,,,0,0,,1,,,,,1,,,,,,"Strong, assumed due to chromosomal structure difference",,,0,,,1,,1,2,Assumed to be very low,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,SC,SC,ref,ref,Nonautogamous,Nonautogamous,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Bumblebee/Bee,Bumblebee/Bee,1,Herb,Herb,Herb_Herb,,,"Pellegrino et al., 2000; Cozzolino et al., 2006; Scopece et al., 2013",Dressler 1993 (book),,rDNA,,No,,,,12,,,,4,16,,,,,,,,Assumed to be very low,verylow,,,,"Only small sample of hybrids studied. Hard to assess gene flow. Montly F1, hardly any backcrosses and later generation hybrids.",,,,,,
62,Orchis militaris,Orchis purpurea,Orchidaceae,Orchis ,4.8,Single hybrid population compared with allopatric populations,"Parents and wide range of hybrid genotypes (F1s, F2s, backcrosses) present ",Unimodal,0,,Hybrids show reduced seed set,,,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Reduced hybrid seed set,,,0,,1,,,1,2,High,Asymmetric bias towards O. purp.,High,Yes,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,,,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Bumblebee/Bee/Butterly and Fly (rarely),Bumblebee/Bee/Butterly and Fly (rarely),1,Herb,Herb,Herb_Herb,,,"Jacquemyn et al., 2012",Dressler 1993 (book),,AFLPs,"Structure, Newhybrids",Yes,106,21,5,36,5,8,31,,80,75.47169811,0.62,0.153225806,,,,,High,high,Yes,Towards O. purp.,Orchis purpurea,evidence of range of admixture levels - ongoing hybridization and admixed individuals,,,,,,
63,Pericallis cruenta,Pericallis echinata,Asteraceae,Pericallis,0.8,Possible BHS. (Not stated) ,Unimodal.  Wide range of hybrid genotypes indicated,Unimodal,0,,Fertile F1s,Fertile,1,,,,,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,,,,1,,,,,0,2,Ongoing gene flow,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,,,,,Predominantly outcrossing,Predominantly outcrossing,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,,,,,,,,,,1,Herb,Herb,Herb_Herb,,,"Van Hengstum et al., 2012",,,AFLPs,Structure,,,,,,,,,,,,0.182,1.123626374,,,,,Ongoing gene flow,low_variable,,,,"Only one between species FST reported (between three species, rather than species paris individually). Ongoing hybridization and various degrees of admixture (f1s + backcrosses and admixture of parental species). Hybridization promoted by human distrubance. Numbers may be in supplementary information, but it was not available online",,,,,,
64,Pericallis cruenta,Pericallis tussilaginis,Asteraceae,Pericallis,8.3,Possible BHS. (Not stated) ,Unimodal. Wide range of hybrid genotypes indicated,Unimodal,0,,Fertile F1s,Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,Ongoing gene flow,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,,,,,Predominantly outcrossing,Predominantly outcrossing,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,,,,,,,,,,1,Herb,Herb,Herb_Herb,,,"Van Hengstum et al., 2012",,,AFLPs,Structure,,,,,,,,,,,,0.182,1.123626374,,,,,Ongoing gene flow,low_variable,,,,"Only one between species FST reported (between three species, rather than species paris individually). Ongoing hybridization and various degrees of admixture (f1s + backcrosses and admixture of parental species). Hybridization promoted by human distrubance",,,,,,
65,Phlomis crinita,Phlomis lychnitis,Lamiaceae,Phlomis,0.2,Not stated. Species form sympatric populations,Unimodal in Southern Spain - hybrid zones contain a wide range of admixed individuals. Bimodal in eastern Spain - parents predominate ,Unimodal_Biomodal_variable,,,"Hybrids assumed fertile in Southern Spain, but less so in eastern Spain",Fertile,1,,,,,Possible divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Possibly weak in Southern Spain and strong in Eastern Spain,,,1,,,,,0,1,Bidirectional in Southern Spain hybrid populations. Very low in eastern ones,Bidirectional in Southern Spain,Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,"SC, but require insect visitation","SC, but require insect visitation",ref,ref,Predominantly outcrossing,Predominantly outcrossing,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Bumblebee,Bumblebee,1,Herb,Herb,Herb_Herb,,,"Albaladejo et al., 2004; Albaladejo, Aparicio, 2007",,,Allozymes,Structure,Yes,1020,,,,,,,,,,,,,,,,Bidirectional in Southern Spain hybrid populations. Very low in eastern ones,low_variable,No,Bidirectional in Southern Spain,,FST not available between species (only within species). Only ranges of % hybrids available,,,,,,
67,Phyllodoce aleutica,Phyllodoce caerulea,Ericaceae,Phyllodace,error: idem in the database,BHS/TZ. Hybrids occupy intermediate ecotone between parent species,"Unimodal (F1-DZ): F1s (~84%), Bc-P. cae. (~2%), Bc-P.aleu. (~14%)",Unimodal,1,P.aleu.,Fertile F1s,Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Low fitness of post-F1 hybrids due to hybrid breakdown possibly caused by genic incompatibility ,,,0,,,1,,1,2,Assumed very low,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,,,SC,SC,,,cryptic self-incompatibility: selfing is prevented when outcross pollen is available,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Bumblebee,Bumblebee,1,Herb,Herb,Herb_Herb,,,"Kameyama, Kudo, 2011; Kameyama et al., 2008",,,SSrs/AFLPs,Newhybirds,Yes,165,84,23,49,,8,1,,58,35.15151515,,,,,,,Assumed very low,low,,,,Clonality (Ramet and Genets identified). Large hybrid clones,,,,,,
78,Pitcairnia albiflos,Pitcairnia staminea,Bromeliaceae,Pitcairnia,-,Possible TZs  ,"Bimodal - Comprising mainly both parent species, some F1s, a greater number of F2s, and occasional backcrosses to P. alb.",Bimodal,1,P. alb.,,,,,,,,"Divergent phenology, pollinator specificity and mating system possibly important",,,1,0,1,,1,1,,,,3,,,,,,Possible weak genic incompatibility,,,0,,,1,,1,4,Very low,Asymmetric towards P. alb.,Low,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,SC,SC,ref,ref,Predominantly outcrossing,Highly selfing,,,SC-OC,SC-S,SC-SC,SC-OC_SC-S,SC_OC_x_S,0.9,0.4,,,B,B,B_B,B-I,B-I,ref,ref,Bat/Hawkmoth,Bee/Butterfly,1,Herb,Herb,Herb_Herb,,,"Palma‐Silva et al., 2011",,,SSRs,"Structure, new hybrids",yes,242,103,119,6,12,2,0,,20,8.26446281,0.6,0.166666667,Migrate,0.34,0.18,,Very low,low,yes,Asymmetric towards P. alb.,Pitcairnia albiflos,difficult to classify classes,,,,,,
107,Rhinanthus angustifolius,Rhinanthus minor,Orobanchaceae,Rhinanthus,17.7,Mosaic,Bimodal. Established hybrid populations contain both parent types and a mix of hybrid genotypes with a predominance of backcrosses to R. angust.,Bimodal,1,R. angust.,F1s fertile,Fertile,1,,,,,"Divergent habitat preference, pollinator preference and breeding system. Conspecific pollen precedence",,,1,0,1,1,1,,,,1,4,1,,,,,F1 seed from R. angust. mothers has very low germination rate indicating cytonuclear inompatibility,1,,0,1,,,,1,5,"High level of gene flow, varies across markers",Asymmetric gene flow to R. angust.,High,Yes,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,SC,SC,ref,ref,Herkogamy,Capable of autonomous self-pollination,,,SC-OC,SC-S,SC-SC,SC-OC_SC-S,SC_OC_x_S,0.762,0.134,add_ref,add_ref,B,B,B_B,B-I,B-I,ref,ref,Bumblebee,Bumblebee,1,Herb,Herb,Herb_Herb,,,"Ducarme et al., 2010; Natalis, Wesselingh, 2012","Ducarme, Wesselingh, 2013",,RAPDs,hybridindex,no,,,,,,,,,,,,,,,,,"High level of gene flow, varies across markers",low,yes,Asymmetric gene flow to R. angust.,Rhinanthus angustifolius,"I would say this is low, hybrid frequency less than 10%",,,,,,
133,Vincetoxicum atratum,Vincetoxicum japonicum,Apocynaceae,Vincetoxicum,2.8,Mosaic. Hybrid populations geographically displaced from parent taxa,"Divergent in genotype structure. Comprise mainly one or other parental type plus some admixed individuals, or rarely, mainly admixed individuals",Bimodal,0,,Hybrids fertile,Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,High level of historical gene flow between species based on coalescent analysis,Asymmetric bias towards V. jap. (historic),High,Yes,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,,,,,predominantly outcrossing,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Diptera,Diptera,1,Herb,Herb,Herb_Herb,,gynostegium,"Li et al., 2016","Yamashiro et al., 2016",,SSRs,"structure, tess",no,671,,,,,,,,40,5.961251863,0.18,,Lamarc,,,,High level of historical gene flow between species based on coalescent analysis,high,yes,Asymmetric bias towards V. jap. (historic),Vincetoxicum japonicum,"hard to tell how many hybrids, looks like ~40 from two sites H01 and J09. Lots of historic gene flow from coalescent method. Fst varies, 0.18-0.52. Picked minimum",,,,,,
134,Viola bissetii,Viola rossii,Violaceae,Viola,-,TZ or BHS. Hybrids occupy a very narrow ecotone between parent species,"Unimodal (F1-DZ) - Most hybrids  (~81%) F1s, ~5% F2s. Remainder of uncertain genotype (F1 or F2). ",Trimodal,0,,"Presence of F2s in hybrid zone, albeit at low frequency, indicates F1s show some fertility",Fertile,1,,,,,Divergent habitat preference,,,,0,1,1,,,,,,2,,,,,,Rarity of post-F1 hybrids due to ecological inviability (extrinsic) or hybrid breakdown (intrinsic) ,,,0,,,1,1,2,4,Low or no gene flow indicated by absence of backcrosses. Cleistogamy in both species may also reduce gene flow ,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,SC,SC,ref,ref,Produce cleistogamous flowers,Produce cleistogamous flowers,,,SC-S,SC-S,SC-SC,SC-S_SC-S,SC_both_S,,,,,B,B,B_B,B-I,B-I,ref,ref,Diptera/Hymenoptera,Diptera/Hymenoptera,1,Herb,Herb,Herb_Herb,,,"Nagano et al., 2015",,,AFLPs,"newhybrids, Hindex",yes,74,31,22,17,1,,,3,21,28.37837838,,,,,,,Low or no gene flow indicated by absence of backcrosses. Cleistogamy in both species may also reduce gene flow ,low,no,,,"no backcrosses detected, although reasonable number of hybrids. ",,,,,,
135,Viola chaerophylloides,Viola eizanensis,Violaceae,Viola,3.1,Possibly Evolutionary novelty,"Unimodal. Hybrid populations comprise hybrids with nuclear genome of one species and cpDNA genome of the other, the opposite situation, or only F2s  ",Unimodal,0,,F1s fertile,Fertile,1,,,,,Divergent habitat preference,,,,0,1,1,,,,,,2,,,,,,,,,1,,,,,0,2,"Very high, leading to genome swamping of one species by the other",Highly asymmetric with direction depending on light regime,High,Yes,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,SC,SC,ref,ref,Reproduction mainly via cleistogamous flowers,"Reproduction mainly via cleistogamous flowers, but also chasmogomous flowers and this changes over the season","Reproduction mainly via cleistogamous flowers, but also chasmogomous flowers and this changes over the season",,SC-S,SC-S,SC-SC,SC-S_SC-S,SC_both_S,,,,,B,B,B_B,B-I,B-I,ref,ref,Bumblebee,Bumblebee,1,Herb,Herb,Herb_Herb,,,"Toyama et al., 2015",,,AFLPs,"structure, newhybrids",yes,191,90,90,,11,,,,11,5.759162304,,,,,,,"Very high, leading to genome swamping of one species by the other",high,yes,Highly asymmetric with direction depending on light regime,Viola eizanensis,,,,,,,
138,Ipomoea lacunosa,Ipomoea cordatotriloba,Convolvulaceae,Ipomoea,error: idem in the database,,,,,,,,,,,,,,,,,0,1,,,,,,,1,,,,,,,,,1,,,,,0,1,,asymmetric gene flow: from lac (selfer) to cord (outcrosser).,Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,SC-S,SC-MM,,,"Highly selfing, selfing syndrome","mixed mater (selfing rate = 0,5)",,,SC-S,SC-OC,SC-SC,SC-S_SC-OC,SC_OC_x_S,,,,,A,A,A_A,A,A,,,bumblebee/small butterfly,bumblebee/small butterfly,1,Herb,Herb,Herb_Herb,,,,Duncan and Raucher (2013); Castillo et al (unpublished),,Transcriptomes,,,,,,,,,,,,,,,,,,,,verylow,yes,asymmetric gene flow: from lac (selfer) to cord (outcrosser). ,Ipomoea cordatotriloba,Exact numbers of hybrids not stated but rare,,,,,,
140,Silene asclepiadea,Silene yunnanensis,Caryophyllaceae,Silene,,not stated,Biomodal like,Bimodal,,,F1 pollen fertility and pollen counts lower,Reduced,0.5,,reduced,,,"Divergent pollinators, bees for S. asclpiadea, butteflies for S. yunnanensis. Flower at slightly different times",,,,0,0,,1,1,,,,2,,,,,,,,,1,,,,,0,2,,,,,,,,not stated,not stated,,,,,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,,,bumblebee,butterflies,1,Herb,Herb,Herb_Herb,,,Zhang et al 2016,,,SSRs,structure,yes,89,39,39,,,,,11,11,12.35955056,,,,,,,,low,yes,,Silene asclepiadea,excess ancestry of yunn in hybrids,,,,,,
79,Platanthera aquilonis,Platanthera dilatata,Orchidaceae,Platanthera,error: idem in the database,,Bimodal - Comprising parental types and very few later generation hybrids ,Bimodal,0,,F1s assumed fertile due to presence of later generation hybrids,Fertile,1,,,,,P. aquilonis is facultatively autogamous. Some spatial clumping of homospecific individuals apparent,,,1,0,1,,,,1,,,2,,,,,,,,,1,,,,,0,2,Assumed to be low,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,SC,SC,ref,ref,facultatively autogamous,,,,SC-S,SC-OC,SC-SC,SC-S_SC-OC,SC-OC_x_SC_S,,,,,B,B,B_B,B-I,B-I,ref,ref,Butterfly/Moth,Butterfly/Moth,1,Herb,Herb,Herb_Herb,,,"Wallace, 2006",,,RAPDs,"Structure, new hybrids",yes,158,109,43,,1,,,5,6,3.797468354,0.7,0.107142857,,,,,Assumed to be low,verylow,yes,,Platanthera dilatata,difficult to classify classes,,,,,,
13,Arctostaphylos patula,Arctostaphylos viscida,Ericaceae,Arctostaphylos,error: idem in the database,,"Bimodal - F1s (0%), F2s (13%), backcrosses (27%), A. pat (31%), A. visc. (30%)",Bimodal,0,,Hybrids assumed fertile due to presence of later generation hybrids ,Fertile,1,,,,,Divergent phenology and habitat preference.,,,,0,0,1,,1,,,,2,,,,,,,,,1,,,,,0,2,,Mainly towards A. pat. in HZ ,Mod,Yes,,,,,,,,SC,SC,,,Can self,"Can self, but probably outcrossing",,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,,,,,,,,,,0,Shrub,Shrub,Shrub_Shrub,,,"Ellstrand et al., 1987; Nason et al., 1992",,,-,,,100,31,30,0,13,,,27,40,40,,,,,,,,high,Yes,Mainly towards A. pat.,Arctostaphylos patula,guess placeholder for sample size (100) because cant access paper. ,,,,,,
15,Artemisia tridentata ssp. tridentata,Artemisia tridentata ssp. vaseyana,Asteraceae,Artemisia,error: idem in the database,BHS,,,,,"Hybrids exhibit greater fitness than parents on ecotonal soils, but lower fitness on parental soils",Fertile,1,,,Low_parental_habitat,Low_parental_habitat,Divergent habitat preference. ,,,,0,0,1,,,,,,1,,,,,,Strong extrinsic postzygotic isolation,,,0,,,,1,1,2,Assumed very low,,Low,NS,,-,-,Gynomonoecious,Gynomonoecious,,,SC,SC,,,Partly self fertilizing,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,A,A,A_A,A,A,ref,ref,,,0,Shrub,Shrub,Shrub_Shrub,,,"Freeman et al., 1991; Miglia et al., 2007; Wang et al., 1997","Potentially something on self pollination in McArthur et al., 1988, but cannot access paper",,none,morphology,,,,,,,,,,,,,,,,,,Assumed very low,,,,,Only based on morphological data,,,,,,
18,Banksia oblongifolia,Banksia robur,Proteaceae,Banksia,0.92,Mosaic,Hybrid swarm,Unimodal,0,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Very low outside hybrid zone,,HZ only,NS,,-,-,Monoecious,Monoecious,ref,ref,SC,SC,,,predominately outcrossing,predominately outcrossing,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.89,,,,B,B,B_B,B-BM,B-BM,,,,,0,Shrub,Shrub,Shrub_Shrub,,,"Usher et al., 2010",,,SSRs,Structure,,142,60,59,,,,,23,23,16.1971831,0.414,0.353864734,,,,,Very low outside hybrid zone,low,,,,"hybrids 9% in adults and 21% in seedlings, F1s, and other backcrosses present",,,,,,
55,Lomatia myricoides,Lomatia silaifolia,Proteaceae,Lomatia,17.8,Mosaic,"Hybrid swarm at one site containing multiple hybrid generations, backcrosses and both parents. Bimodal at two other sites ",Unimodal_Biomodal_variable,,,"Not examined, but F1s considered fertile due to presence of later generation hybrids in hybrid swarm",Fertile,1,,,,,"Divergent phenology, habitat preference and susceptibility to fire",,,,0,0,1,,1,,,,2,,,,,,,,,1,,,,,0,2,High at recently disturbed sites where hybrid swarms form. Low at sites where disturbance was relatively ancient,Bidirectional,High,No,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,,,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,,,0,Shrub,Shrub,Shrub_Shrub,,,"McIntosh et al., 2014",,,SSRs,Newhybrids,Yes,147,38,24,,,,,85,85,57.82312925,0.15,1.416666667,,,,,High at recently disturbed sites where hybrid swarms form. Low at sites where disturbance was relatively ancient,low_variable,No,,,"Bidirectional, lots of hybrids at one site, but fewer at the other two sites - related to disturbance. Fst at three sites 0,15 -0,21",,,,,,
117,Rhododendron ferrugineum,Rhododendron hirsutum,Ericaceae,Rhododendron,-,Mosaic,Fertile F1s (~57%) and backcrosses to R. hirsut. predominate. F2s rare and backcrosses to R. ferrug. absent. ,Trimodal,1, R. hirsut.,F1 intercrossing and backrossing produce good germinable seed,Fertile,1,,,,,Divergent phenology and habitat preference.,,,,0,0,1,,1,,,,2,,,,,,Rarity of F2s and backcrosses to R. ferrug. may reflect poor adaptation to hybrid zone conditions or expression of genic incompatibility ,,,0,,,1,,1,3,,Asymmetric gene flow towards R. hirsutum,Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,SC,SC,add_ref,,High capacity to self in the absence of pollinators,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,,B_,B-I,,ref,,Bee/Diptera,,0,Shrub,Shrub,Shrub_Shrub,,,"Milne, Abbott, 2008","Escaravage et al., 1997",,RAPDs,newhybrids,yes,95,18,14,34,0,0,17,13,64,67.36842105,,,,,,,,high,yes,Asymmetric gene flow towards R. hirsutum,Rhododendron hirsutum,mostly F1s and backcrosses in one direction. ,,,,,,
118,Rhododendron spiciferum,Rhododendron spinuliferum,Ericaceae,Rhododendron,3.9,Mosaic,"Hybrid swarms contain a wide range of early and late generation hybrids (F1s, F2s and backcrosses etc.) ",Unimodal,0,,F1s assumed fertile due to presence of later generation hybrids ,Fertile,1,,,,,Divergent phenology,,,,0,0,,,1,,,,1,,,,,,,,,1,,,,,0,1,High,"Bidirectional in most hybrid populations, but with an asymmetric bias towards R. spiciferum in some",High,Yes,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,,,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.882,0.752,,,B,B,B_B,B-I,B-I,ref,ref,Bumblebee/Bee,Bumblebee/Bee,0,Shrub,Shrub,Shrub_Shrub,,,"Yan et al., 2017","Zha et al., 2010",,SSRs,"structure, newhybrids",yes,487,,,,,,,,329,67.55646817,0.17,1.220588235,,,,,High,high,yes,"Bidirectional in most hybrid populations, but with an asymmetric bias towards R. spiciferum in some",Rhododendron spiciferum,"q values across entire range between species, but slight bias towards one parent. Hybrid classes estimated in supplementary, but it says that F1s are rare generally",,,,,,
33,Dubautia ciliolata,Dubautia scabra,Asteraceae,Dubautia,-,,Unimodal,Unimodal,,,High F1 pollen fertility,Fertile,1,,High,,,,,,,1,0,,,,,,,0,,,,,," Not evident, but difference in chromosome number may cause reduced fitness in later hybrid generations",,1,1,,,,,0,0,,,,,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,SC,SC,ref,ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SI_x_SC_OC,,,,,B,B,B_B,B-I,B-I,website mentioned in other,,,,0,Shrub,Shrub,Shrub_Shrub,,CONFLICT on D. ciliolata SC vs SI in references. Potential insect pollination mentioned in Wood 2012 as well as on websites https://www.encyclopedia.com/environment/science-magazines/naenae-dubautia-pauciflorula & http://www.iucnredlist.org/details/79866204/0,"Caraway et al., 2001","Carr et al., 1986; Wood 2012",,RAPDs,,,,,,,,,,,,,,,,,,,,low,Yes,Towards D. ciliolata,Dubautia ciliolata,"Unidirectional introgression, D. ciliolata acting as the recurrent parent. Presence of F1 and later generation hybrids",,,,,,
1,Abies alba,Abies cephalonica,Pinaceae,Abies,4.3,Clinal.  Possible relic of an ancient BHS zone,Clinal.  Wide range of hybrid genotypes exist forming a cline correlating with latitude,Unimodal,0,,Fertile hybrids capable of backcrossing with both parent species,Fertile,1,,,,,Possible divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,"Assumed low or absent, hybrids exhibit high fertility and survival",,1,1,,,,,0,1,Very low level indicated ,,Low,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SC,SC,add_ref,add_ref,Outcrossed,Outcrossed,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,"0.896 (tm), 0.43-0.87, 0.68-1",,add_ref,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Krajmerova et al., 2016","Kormutik and Dag Lindgren (1996); Fady and Westfall (1997); Restoux et al., 2008",,SSRs,,,,,,,,,,,,,0.071,3.271126761,,,,,Very low level indicated ,high,,,,"evidence of substantial admixture, ~50% in central populations. Clines width 100s of kms, dispersal estimate 69km. But no counts of hybrids, left blank. Complicated by inclusion of several Abies species",,,,,,
2,Abies homolepis,Abies veitchii,Pinaceae,Abies,17.2,Possible TZ. (Not stated) ,Bimodal.  Two hybrids detected among 334 individuals surveyed,Bimodal,0,,Hybrids occur only as saplings indicating low viability. Low germination of synthetic hybrid seed,,,,,Low,,Divergent phenology (except in sympatry) and habitat preference,,,,0,0,1,,1,,,,2,,,,,, Low hybrid viability indicated,,,0,,1,,,1,3,Assumed low or absent,,Low,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SC,SC,add_ref,add_ref,Outcrossed,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Isoda et al., 2000","Restoux et al., 2008",,RAPDs,genetic_distances,,334,,,,,,,2,2,0.598802395,,,,,,,Assumed low or absent,verylow,,,,,,,,,,
4,Aesculus pavia,Aesculus sylvatica,Sapindaceae,Aesculus,24.6,Unclear,Unimodal. Most hybrids genetically more similar to A. sylvatica,Unimodal,1,A. sylvatica,Hybrids show reduced pollen fertility,Reduced,0.5,,Low,,,Spatial isolation of A. pav. from hybrids and A. sylv.,,,,0,0,,,,1,,,1,,,,,,Lower pollen fertility of hybrids indicates genic incompatibility,,,0,,,1,,1,2,Regular occasional gene flow,"From A. sylv. and A. pav., respectively, into HZ",Mod,Yes,,-,-,Andromonoecious,Andromonoecious,see The Ecology of Sex Expression in Red Buckeye 1982,inferred: (most (all?) Aesculus are andromonoecious,SC,SC,add_ref,add_ref,predominanty outcrossing,predominanty outcrossing,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.75,0.69,add_ref,add_ref,B,B,B_B,B-I & B-BM,B-I & B-BM,ref,ref,Bee/Hummingbird/Butterfly,Bee/Hummingbird/Butterfly,0,Tree,Tree,Tree_Tree,,,"DePamphilis, Wyatt, 1990; Modliszewski et al., 2006; Thomas et al., 2008","Lim et al., 2002",,Allozymes,,,,,,,,,,,,,,,,,,,Regular occasional gene flow,high,Yes,,,"16-79% admixture in hybrid zone area, evidence of backcrosses and advanced gn hybrids",,,,,,
6,Alnus crispa,Alnus sinuata,Betulaceae,Alnus,error: idem in the database,Possible TZ,Hybrid swarms. Parental types and wide range of hybrid genotypes present.  Backcrosses to one or other parent evident ,Unimodal,0,,F1s assumed fertile due to presence of backcrosses in hybrid populations,Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,High within fairly broad hybrid zone,,High,NS,,-,-,Monoecious,Monoecious,,,SC,SC,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.951,,tm,,A,A,A_A,A,A,tm,,,,0,Tree,Tree,Tree_Tree,,,"Bousqet et al., 1990",,https://plants.usda.gov/plantguide/pdf/pg_alvis.pdf,Allozymes,,,,,,,,,,,,,,,,,,,High within fairly broad hybrid zone,high,,,,"cant access paper. From abstract, interspecific distance (D = 0.047). Doesn’t appear to have counts of hybrids",,,,,,
38,Eucalyptus acmenoides,Eucalyptus cloeziana,Myrtaceae,Eucalyptus,-,Possible TZ. (Not stated) ,Trimodal - All hybrids were F1s,Trimodal,0,,,,,,,,,F1s flower at different time to parents,,,,0,0,,,1,,,,1,,,,,,,,,1,,,,,0,1,Low or absent assumed from absence of backcrosses,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,,SC,SC,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,,,,,,,,,,0,Tree,Tree,Tree_Tree,,"Eucalyptus predominantly hermaphrodite, see ""Gynodioecy and Male Sterility in Eucalyptus leucoxylon"" F. Muell. + moslty insects and bird pollinators, see ""Eucalypt genetics and genecology"" potts","Stokoe et al., 2001",,,SSRs/chloroplast,HybMod,,46,,,,,,,,,,,,,,,,Low or absent assumed from absence of backcrosses,verylow,,,,Based on the absence of backcrosses,,,,,,
39,Eucalyptus aggregata,Eucalyptus rubida,Myrtaceae,Eucalyptus,-,Mosaic,Unimodal,Unimodal,0,,Hybrid fitness likely to be reduced in later life-history stages,Fertile,1,,,Reduced,Reduced,"Divergent phenology, habitat preference, floral structure, demographic factors",,,,0,0,1,,1,,1,,3,,,,1,,,,,1,,,,,0,3,Low levels of historic gene flow,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SC,SC,ref,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,,,0,Tree,Tree,Tree_Tree,,"Only honeybees observed, but also small marsupial and birds could pollinate","Field et al., 2011a,2011b",,,SSRs,Structure/Newhybrids,Yes,421,146,205,,,,,,70,16.62707838,0.214,0.918224299,,,,,Low levels of historic gene flow,low,Yes,,,,,,,,,
40,Eucalyptus brownii,Eucalyptus populnea,Myrtaceae,Eucalyptus,-,Clinal,,,,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Very high pollen-mediated gene flow across cline,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,,,SC,SC,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,,,,,,,,,,0,Tree,Tree,Tree_Tree,,,"Holman et al., 2003",,,CpDNA/SSRs,FSTAT,,,,,,,,,,,,,,,,,,Very high pollen-mediated gene flow across cline,low,,,,"Low Fst between all pops including within and between species (0.01 - 0.03), but no hybrids identified or admixture levels. Conclude high pollen-mediated gene flow",,,,,,
41,Eucalyptus cordata,Eucalyptus globulus,Myrtaceae,Eucalyptus,-,Mosaic,Bimodal,Bimodal,0,,F1 fertility assumed due to introgression having occurred ,Fertile,1,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Low historic asymmetric gene flow,Towards E. glob.,Low,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,SC,SC,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,0.597,,tm,,B,_B,,B-I & B-BM,,tm,,,0,Tree,Tree,Tree_Tree,,,"McKinnon et al., 2010",,,AFLPs,ALFPOP/Structure,,388,,,,,,,,,,0.208,0.951923077,,,,,Low historic asymmetric gene flow,low,Yes,Towards E. glob.,Eucalyptus globulus,Most evidence of historic gene flow from admixture levels (no current hybrid zone). Varied dependin g on marker and analysis type,,,,,,
56,Magnolia salicifolia,Magnolia stellata,Magnoliaceae,Magnolia,-,Mosaic - F1s and F2s appear to occupy intermediate environments ,"Mainly bimodal - F1 and F2 individuals rare (~6% and 7%, respectively) with backcrosses (only to M. sal.) slightly more common (10%)",Bimodal,1,M. sal.,Fertile given that F2s and backcrosses present,Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Selection may act against hybrid during and after seed development stage,,,1,,,,,0,1,Gene flow within hybrid zone asymmetric. Maternal parent of F1 hybrids was M. sal.,From M. stel. to M. sal. ,Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,,,,,Selfing rate 0.162?,Selfing rate 0.258?,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.838,0.632,,tm,B,B,B_B,B-I,B-I,ref,ref,Bee/Bumblebee/Syrphid/Beetle/Fly,Bee/Bumblebee/Thrips/Beetle,0,Tree,Tree,Tree_Tree,,,"Muranishi et al., 2013",,,SSRs,Structure,Yes,271,153,55,14,19,27,,3,63,23.24723247,,,,,,,Gene flow within hybrid zone asymmetric. Maternal parent of F1 hybrids was M. sal.,high,Yes,Towards M. sal. ,Magnolia salicifolia,maternal parents of the F1 hybrids were all M. salicifolia + all BCs were to M. sal,,,,,,
68,Picea abies,Picea obovata,Pinaceae,Picea,0.98,,Clinal. Wide spectrum of advanced generation hybrids,Unimodal,0,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Assumed ongoing,Historical asymmetric gene flow to P. obov. ,Mod,Yes,,-,-,Monoecious,Monoecious,add_ref,add_ref,SC,SC,add_ref,add_ref,"0.95-0.96, 0.82-0.84",,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.965,,tm,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Tsuda et al., 2016","Restoux et al., 2008",,SSRs,"Structure, EEMS",,,,,,,,,,,,0.14,1.535714286,,,,,Assumed ongoing,high,no,,,Historical asymmetric gene flow to P. obov. ,,,,,,
69,Picea engelmannii,Picea glauca,Pinaceae,Picea,1.2,BHS ,Clinal. Advanced generation hybrids predominate,Unimodal,0,,Hybrids fitter than parents in intermediate environments,,,,,Higher_intermediate_habitat,Higher_intermediate_habitat,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Assumed weak/absent,,1,1,,,,,0,1,High and asymmetric towards P. engel. for neutral markers. Low for some markers.,Asymmetric towards P. engel. (high for neutral markers),High,Yes,,-,-,Monoecious,Monoecious,ref,ref,SC,SC,add_ref,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,0.94,,tm,A,A,A_A,A,A,add_ref,ref,,,0,Tree,Tree,Tree_Tree,,,"De La Torre et al., 2014a, 2014b, 2015",,,SSRs,Structure,no,,,,,,,,,,,,,,,,,High and asymmetric towards P. engel. for neutral markers. Low for some markers.,high,yes,Asymmetric towards P. engel. (high for neutral markers),Picea engelmannii,,,,,,,
70,Picea glauca,Picea sitchensis,Pinaceae,Picea,22,BHS ,Clinal. Advanced generation hybrids predominate,Unimodal,0,,Assumed hybrids have greater fitness than parents in climatic transitional zone,,,,,Higher_intermediate_habitat,Higher_intermediate_habitat,"Divergent phenology and habitat preference, variation in local density of parent species",,,,0,0,1,,1,,,,2,,,,1,,Assumed weak/absent,,1,1,,,,,0,2,"High and asymmetric towards P. glauca, but low for some markers",Asymmetric towards P. glauca (low for some markers),High,Yes,,-,-,Monoecious,Monoecious,add_ref,add_ref,SC,SC,add_ref,add_ref,SC or leaky SI?,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.94,0.812,tm,add_ref,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,Tm for PS = 0.923 on tm database,"Hamilton, Aitken, 2013; Hamilton et al., 2013a, 2013b","Restoux et al., 2008",,SSRs,Structure,yes,522,99,117,,,,,306,306,58.62068966,0.05,4.75,,,,,"High and asymmetric towards P. glauca, but low for some markers",high,yes,Asymmetric towards P. glauca (low for some markers),Picea glauca,Hamilton et al 2013b uses open-pollinated seed so not used in estimates. ,,,,,,
71,Picea mariana,Picea rubens,Pinaceae,Picea,0.27,Possible TZ,Bimodal. Hybrids predominantly backcrosses to P. rubens. ,Bimodal,1,P. rubens.,F1s show reduced seed production and germination,,,,,Reduced,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Ruled out extrinsic selection against migrants. Considered that hybrids may exhibit reduced intrinsic fitness but requires investigation,,,0,,,1,,1,2,"Heterogeneous across genome. Low or medium, asymmetric gene flow to P. rubens at some loci. Higher gene flow at other loci",Asymmetric gene flow to P. rubens at some loci.,Mod,Yes,,-,-,Monoecious,Monoecious,add_ref,add_ref,SC,SC,add_ref,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.898,0.595,tm,tm,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"De Lafontaine et al., 2015; De Lafontaine, Bousquet, 2017","Restoux et al., 2008",,SNPs,Structure,yes,385,,,,9,9,60,3,81,21.03896104,0.28,0.642857143,Migrate,3.68,8.33,,"Heterogeneous across genome. Low or medium, asymmetric gene flow to P. rubens at some loci. Higher gene flow at other loci",high,yes,Asymmetric gene flow to P. rubens at some loci. ,Picea rubens,,,,,,,
72,Pinus banksiana,Pinus contorta,Pinaceae,Pinus,-,Mosaic,Wide spectrum of hybrid genotypes in hybrid zone,Unimodal,0,,Hybrids may have reduced fertility,Reduced,0.5,,,,,"Divergent habitat preference with regard to soil moisture, temperature and elevation",,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,Extensive for some SNPs,,High,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SC,SC,add_ref,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.88,0.916,tm,tm,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,"In other lodgepole pines, high levels of outcrossing found","Cullingham et al., 2012, 2013","Restoux et al., 2008",,mix,,no,,,,,,,,,,,,,,,,,Extensive for some SNPs,,,,,heterozygote advantage ,,,,,,
73,Pinus echinata,Pinus taeda,Pinaceae,Pinus,1.9,,Trimodal - All detected hybrids likely to be F1s,Trimodal,0,,Not stated,,,,,,,Divergent phenology,,,,0,0,,,1,,,,1,,,,,,Some incompatibility evident; reciprocal crosses differ in hybrid seed yield. Less successful when P. taeda is maternal parent,1,,0,,,1,,1,2,,,Mod,NS,,-,-,Monoecious,Monoecious,ref,ref,SC,SC,add_ref,add_ref,Highly outcrossed,Highly outcrossed,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Edwards‐Burke, 1997",,,RFLPs,,no,,,,,,,,,,,,,,,,,,,,,,,,,,,,
74,Pinus hwangshanensis,Pinus massoniana,Pinaceae,Pinus,6.7,Clinal,Wide range of hybrid types occur across hybrid zone,Unimodal,0,,Hybrids produce smaller seed exhibiting lower germination rate than parent seed,,,,,Reduced,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Reduced size and germination of hybrid seed indicates genic incompatibility ,,,0,,,1,,1,2,Bidirectional but with asymmetric bias towards P. hwang.,Bidirectional but with asymmetric bias towards P. hwang.,Mod,Yes,,-,-,Monoecious,Monoecious,add_ref,add_ref,SC,SC,add_ref,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,0.5209,0.4114,ref,ref,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Zhang et al., 2014","Restoux et al., 2008",,SSRs,Structure,no,,,,,,,,,,,0.1516,1.399076517,,,,,Bidirectional but with asymmetric bias towards P. hwang.,low,yes,Bidirectional but with asymmetric bias towards P. hwang.,Pinus hwangshanensis,difficult to classify classes,,,,,,
75,Pinus mugo,Pinus sylvestris,Pinaceae,Pinus,17.3,,"Hybrid swarm. Range of hybrid genotypes present, including F1s",Unimodal,0,,"Not studied in detail, fitness of hybrids likely to be habitat dependent",,,,,Variable_habitat_asymm,Variable_habitat_asymm,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,,,,1,,,,,0,2,Extensive indicated. P. mugo always the paternal parent,,High,Yes,,-,-,Monoecious,Monoecious,add_ref,add_ref,SC,SC,add_ref,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,0.954,,tm,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Kormutak et al., 2008; Wachowiak, 2016","Restoux et al., 2008",,RFLPs,,no,,,,,,,,,,,,,,,,,Extensive indicated. P. mugo always the paternal parent,,,,,"not suitable data, only presents embryo hybridisation rates not adult plants",,,,,,
76,Pinus parviflora,Pinus pumila,Pinaceae,Pinus,2.5,,Gradual or steep clines depending on hybrid zone analyzed,,,,,,,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,Gene flow occurs but level varies between hybrid zones and markers ,,Mod,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SC,SC,add_ref,add_ref,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Watano et al., 1995, 2004","Restoux et al., 2008",,SSCPs,hybridIndex,no,,,,,,,,,,,,,,,,,Gene flow occurs but level varies between hybrid zones and markers ,low_variable,,,,interesting gaps in forest generate contrasting barriers. But cant do much in way of counts here,,,,,,
108,Rhizophora apiculata,Rhizophora mucronata,Rhizophoraceae,Rhizophora,38.6,Not clear,Trimodal. Parents and F1s,Trimodal,0,,F1s sterile,Sterile,0,,,,,Very weak or absent,1,,,1,0,,,,,,,0,,,,,,F1 sterility indicates strong genic incompatibility,,,0,,,1,,1,1,Absent,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,see Yan 2016,see Yan 2016,,,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Lo, 2010","Tomlison, 1997; Yan et al., 2016 ",,ISSRs,"Structure, newhybrids",yes,66,25,21,20,,,,,20,30.3030303,,,,,,,Absent,verylow,no,,,"high numbers of F1s only. So perhaps limited gene flow, although hybrid swarms seem stable because of sterilty they cant backcross",,,,,,
109,Rhizophora apiculata,Rhizophora stylosa,Rhizophoraceae,Rhizophora,38.6,Not clear,Trimodal. Parents and F1s,Trimodal,0,,F1s sterile,Sterile,0,,,,,Very weak or absent,1,,,1,0,,,,,,,0,,,,,,F1 sterility indicates strong genic incompatibility,,,0,,,1,,1,1,Absent,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,see Yan 2016,see Yan 2016,,,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,A,B,A_B,A,B-I,add_ref,add_ref,,Bee,0,Tree,Tree,Tree_Tree,,,"Lo, 2010","Tomlison, 1997; Yan et al., 2016 ",,ISSRs,"Structure, newhybrids",yes,102,48,32,22,,,,,22,21.56862745,,,,,,,Absent,verylow,no,,,,,,,,,
110,Rhizophora mangle,Rhizophora racemosa,Rhizophoraceae,Rhizophora,13.7,Not clear,Bimodal. Containing both parents with either: some putative F1s; or some backcrosses: or some putative early generation hybrids and backcrosses ,Bimodal,0,,F1s exhibit reduced fertility,Reduced,0.5,,,,,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,Possibly some genic incompatibility indicated by F1 reduced fertility,,,0,,,1,,1,3,"Low in some hybrid zones, high in others",,Mod,NS,,-,-,Hermaphroditic,Hermaphroditic,see Yan 2016,see Yan 2016,,,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Cerón‐Souza et al., 2010",,,,,,,,,,,,,,,,,,,,,,"Low in some hybrid zones, high in others",low_variable,,,,,,,,,,
111,Rhizophroa samoensis,Rhizophora stylosa,Rhizophoraceae,Rhizophora,48.3,Not clear,Trimodal. Parents and F1s,Trimodal,0,,F1s sterile,Sterile,0,,,,,Very weak or absent,1,,,1,0,,,,,,,0,,,,,,F1 sterility indicates strong genic incompatibility,,,0,,,1,,1,1,Absent,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,see Yan 2016,see Yan 2016,,,,,,,,,SC-OC,SC-OC,SC-SC,SC-OC_SC-OC,SC_both_OC,,,,,,B,_B,,B-I,,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Lo, 2010","Tomlison, 1997; Yan et al., 2016 ",,ISSRs,"Structure, newhybrids",yes,75,28,19,28,,,,,28,37.33333333,,,,,,,Absent,verylow,no,,,,,,,,,
54,Liparis kumokiri,Liparis makinoana,Orchidaceae,Liparis,error: idem in the database,Not clear,Mainly bimodal with F2s and 2nd generation backcrosses skewed towards one parental species. F1s and 1st gen backcrosses absent,Bimodal,1,?,,,,,,,,"Divergent phenology, mating system, and spatial clustering of species and hybrid",,,1,0,1,,,1,1,,,3,,,,,,,,,1,,,,,0,3,Ongoing gene flow either absent or very low,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SC,SI,ref,ref,,,,,SC-OC,SI,SI-SC,SC-OC_SI,SI_x_SC_OC,,,,,NA,NA,,NA,NA,ref,ref,,,1,Herb,Herb,Herb_Herb,,No pollinator observed,"Chung et al., 2005",,,Allozymes,,Yes,1225,794,398,,,,,33,33,2.693877551,0.708,0.103107345,,,,,Ongoing gene flow either absent or very low,low,Yes,"Towards L
.
kumokiri
.",Liparis kumokiri,"relatively low frequency of hybrids, absence of ongoing hybridization (no F1s or first generation backcrossess), and strong differentiation (FST = 0,71-0,82) at sympatric sites indicates low gene flow",,,,,,
66,Phlox cuspidata,Phlox drummondii,Polemoniaceae,Phlox,error: idem in the database,TZ. Hybrid populations comprise parents and highly sterile F1s,Trimodal - Parents and F1s ,Trimodal,,,Highly sterile F1s,Sterile,0,,,,,Divergent habitat preference; pollinators show flower color constancy,,,,0,1,1,1,,,,,3,,,,,,F1 high sterility indicates genic incompatibility ,,,0,,,1,,1,4,Assumed very low,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,see I. aggregata,see I. aggregata,SC,SI,,,Likely predominantly selfing,Obligate outcrosser,,,SC-S,SI,SI-SC,SC-S_SI,SI_x_SC_S,0.22,0.86,tm,tm,B,B,B_B,B-I,B-I,ref,ref,Butterfly,Butterfly,1,Herb,Herb,Herb_Herb,,,"Levin, 1975; Hopkins, Rausher, 2012",,,Allozymes,,No,,,,,,,,,,1,,,,,,,Assumed very low,verylow,,,,"High sterility and paucity of hybrids (<1%), no numbers given",,,,,,
119,Rorippa amphibia,Rorippa palustris,Brassicaceae,Rorippa,2.8,Mosaic,Introgressants identified but genotypes not defined,,,,,,,,,,,Divergent habitat preference,,,,0,1,1,,,,,,2,,,,,,,,,1,,,,,0,2,,Asymmetric towards R. amphibia,Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,SI,SC,ref,ref,,,,,SI,SC-OC,SI-SC,SI_SC-OC,SI_x_SC_OC,,,,,B,B,B_B,B-I,B-I,add_ref,add_ref,,,1,Herb,Herb,Herb_Herb,,,"Bleeker, Hurka, 2001","Bleeker, 2004 (119) (120); hermaprhodite ref see Heywood 1993 & Zomlefer 1994",,Allozymes,no,no,,,,,,,,,,,,,,,,,,low_variable,yes,Asymmetric towards R. amphibia,Rorippa amphibia,paper suggests in some pops its towards amphibia. Also mentions amphibia is SI and palustris is SC. Cant properly assess hybrid frequency or classes,,,,,,
141,Leptosiphon androsaceus,Leptosiphon jepsonii,Polemoniaceae,Leptosiphon,,,Bimodal,Bimodal,1,,Lower F1 pollen fertility,Reduced,0.5,,reduced,Equal or higher (heterosis),,Pollen pisitl interactions,,,1,0,1,,,,,,1,2,,1,,,1,Seed set reduced ,,,0,,,1,,1,3,,,,,,,,,,,,SI,SC,ref,ref,self incompatible,selifng and selfing varies,,,SI,SC-S,SI-SC,SI_SC-S,SI_x_SC_S,,,,,B,B,B_B,B-I,B-I,ref,ref,beeflies,beeflies,1,Herb,Herb,Herb_Herb,,,"Goodwillie, Ness 2013",,,AFLPs,HINDEX,,,,,,,,,,,,,,,,,,,low,yes,,,SI-SC rule,,,,,,
17,Banksia hookeriana,Banksia prionotes,Proteaceae,Banksia,1.5,Not clear. Formed only at disturbed sites,Hybrid swarm,Unimodal,0,,,,,,,,,Divergent phenology,,,,0,1,,,1,,,,2,,,,,,,,,1,,,,,0,2,Very low in undisturbed sites,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,,,SC,SI,,,probably predominately outcrossing,high SI,,,SC-OC,SI,SI-SC,SC-OC_SI,SI_x_SC_OC,,,,,B,B,B_B,B-BM,B-BM,ref,ref,Bird,Bird,0,Shrub,Shrub,Shrub_Shrub,,,"Lamont et al., 2003",,,AFLPs,,,53,19,17,,,,,19,19,35.8490566,,,,,,,Very low in undisturbed sites,low_variable,,,,"Gene flow only in disturbed sites, not in undistrubed sites and seem to be a frequent phenomenon",,,Assumed to be low or absent.,,,
25,Callicarpa japonica,Callicarpa mollis,Lamiaceae,Callicarpa,-,,Unimodal. F1s and later generation hybrids present,Unimodal,0,,Hybrids are highly fertile,Fertile,1,,,,,Divergent phenology and habitat preference.,,,,0,1,1,,1,,,,3,,,,,,Assumed weak/absent,,1,1,,,,,0,3,Frequent asymmetric introgression (unilateral introgression from C. japonica into C. mollis),From C. jap. into C. mol.,High,Yes,"97,5-100%",-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI,SC,additional ref,additional ref,"Seed only produced when in a group of plants, therefore SI is assumed",Requires cross-pollination for good fruit production,Y,Y,SI,SC-OC,SI-SC,SI_SC-OC,SI_x_SC_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,Bee,Bee,0,Shrub,Shrub,Shrub_Shrub,,,"Tsukaya et al., 2003",https://pfaf.org/user/Plant.aspx?LatinName=Callicarpa+mollis,https://pdfs.semanticscholar.org/780d/d45abe265e16309af88b38713927a55a72a8.pdf,Nuclear and chloroplast sequences,,,52,20,21,,,,,11,11,21.15384615,,,,,,,Frequent asymmetric introgression (unilateral introgression from C. japonica into C. mollis),high,Yes,unilateral from C. jap. into C. mol.,Callicarpa mollis,,,,,,,
115,Rhododendron delavayi,Rhododendron irroratum,Ericaceae,Rhododendron,11.7,TZ,F1-DHZ. All hybrids were F1s (~90%) except one backcross to R. irr. and 2 of uncertain genotype,Trimodal,0,,F1s are fertile,Fertile,1,,,,,Divergent habitat preference,,,,0,1,1,,,,,,2,,,,,,Assumed very low extrinsic or intrinsic fitness of post-F1s in ecotone,,1,1,,,,,0,2,Assumed to be low or absent.,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI,SC,ref,ref,,,,,SI,SC-OC,SI-SC,SI_SC-OC,SI_x_SC_OC,,,,,B,B,B_B,B-I,B-I,ref,ref,,,0,Shrub,Shrub,Shrub_Shrub,,,"Zha et al., 2010",,,AFLPs,newhybrids,no,,,,19,,,,2,21,,,,,,,,Assumed to be low or absent.,low,,,,"one species rare, the other only a sample was used, so cant tell about true frequencies of classes",,,,,,
8,Antirrhinum majus pseudomajus,Antirrhinum majus striatum,Plantaginaceae,Antirrhinum,-,TZ for flower color genes,,Unimodal,0,,Hybrids are assumed to have very low fitness due to low visitation by pollinators,Fertile,1,,,Low,,Divergent pollinator preference (pollinator constancy in sympatric populations). ,,,,0,0,,1,,,,,1,,,,,,Assumed very weak/absent,,1,1,,,,,0,1,"Absent for flower color genes, high for other genes studied",,High,NS,,-,-,Hermaphroditic,Hermaphroditic,,,SI,SI,ref,ref,Genetically based non-self recognition system (SRNase/SLF),Genetically based non-self recognition system (SRNase/SLF),,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,,,Bee,Bee,1,Herb,Herb,Herb_Herb,,,"Whibley et al., 2006",,,SNPs/Sequences,Hindex,,,,,,,,,,,,0.03,8.083333333,,,,,"Absent for flower color genes, high for other genes studied",high,,,,frequent hybrids and advanced generations. Evidence of homogenization close to hybrid zones.,,,,,,
16,Asclepias exaltata,Asclepias syriaca,Asclepiaceae,Asclepias,-,,Hybrid populations normally comprise F1s and backcrosses mainly to A. syr ,Unimodal,1,A. syr,Hybrids fertile showing intermediate seed set,Fertile,1,,,Reduced,,Divergent habitat preference. ,,,,0,0,1,,,,,,1,,,,,,Crosses with A. exalt. as female yield few seed,1,,0,1,,,,1,2,Asymmetrical gene flow,Gene flow to A. syr. ,High,Yes,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI (late acting + potential of breakdown of SI in hybrids),SI (late acting + potential of breakdown of SI in hybrids),ref,ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,1.03,,tm,B,B,B_B,B-I,B-I,ref,ref,Bee/Butterfly,Bee/Butterfly,1,Herb,Herb,Herb_Herb,,gynostegium,"Broyles, 2002",,,Allozymes,,,325,6,134,85,3,3,94,,185,56.92307692,,,,,,,Asymmetrical gene flow,high,Yes,towards A. syr. ,Asclepias syriaca,Presence of backcrosses and high frequency of hybrids,,,,,,
43,"Gaillardia pulchella, calcicole","Gaillardia pulchella, calcifuge",Asteraceae,Gaillardia,error: idem in the database,TZ,,,,,Reduced pollen fertility in hybrids,Reduced,0.5,,Reduced,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Reduced pollen fertility in F1s indicates genic incompatibility,,,0,,,1,,1,2,High locally,,High,NS,,-,-,Gynomonoecious,Gynomonoecious,,,SI?,SI?,,,Obligate outcrosser,Obligate outcrosser,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,Bee/Beetle,Bee/Beetle,1,Herb,Herb,Herb_Herb,,,"Heywood, 1986; Heywood, Levin, 1988",,,Allozymes,,,,,,,,,,,,,,,,,,,High locally,,,,,This is assumed from clines,,,,,,
46,Helianthus annuus,Helianthus petiolaris,Asteraceae,Helianthus ,-,Mosaic,Parents and wide range of hybrid genotypes,Unimodal,0,,High hybrid pollen sterility and reduced hybrid seed set,Sterile,,,Low,,,"Divergent phenology, habitat preference, immigrant inviability, conspecific pollen precedence",,,,0,0,1,,1,,,1,3,1,,1,,,Divergent chromosomal rearrangements cause meiotic irregularity. Large number of BDM incompatibility genes,,,0,,,1,,1,4,"Very low outside contact zone, but high long-term gene flow recorded between species",,High,NS,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,SI,SI,ref,ref,"Sporophytic SI, obligate outcrosser","Sporophytic SI, obligate outcrosser",,,SI,SI,SI-SI,SI_SI,SI_x_SI,0.748,,tm,,B,B,B_B,B-I,B-I,ref,ref,Bumblebee,Bumblebee,1,Herb,Herb,Herb_Herb,,,"Rieseberg et al., 1998, 1999; Sambatti et al., 2012",,,Allozymes,,,,,,,,,,,,,,,,,,,"Very low outside contact zone, but high long-term gene flow recorded between species",high,,,,Hybrid frequency 4-15% and a wide range of hybrid genotypes present,,,,,,
47,Helianthus annuus,Helianthus bolanderi,Asteraceae,Helianthus ,-,,Parents and wide range of hybrid types in western half of zone. Mainly H. ann. and backcrosses to H. ann in eastern half,Unimodal,1,H. ann.,Pollen fertility of hybrids equivalent to parent species ,Fertile,1,,High,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,"Assumed weak, no reduced fertility of hybrids",,1,1,,,,,0,1,Indications of significant introgression between species in hybrid zone ,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,SI,SI,ref,ref,"Sporophytic SI, obligate outcrosser","Sporophytic SI, obligate outcrosser",,,SI,SI,SI-SI,SI_SI,SI_x_SI,0.748,,tm,,B,,B_,B-I,,ref,,Bumblebee,,1,Herb,Herb,Herb_Herb,,,"Carney et al., 2000",,,AFLPs,,,,,,,,,,,,,,,,,,,Indications of significant introgression between species in hybrid zone ,high,,,,Evidence of introgression from hybrid index,,,,,,
49,Ipomopsis aggregata,Ipomopsis tenuituba,Polemoniaceae,Ipomopsis,error: idem in the database,"Some hybrid zones clinal, others mosaic",Unimodal and bimodal,Unimodal_Biomodal_variable,,,"F1s fertile. Hybrid fitness varies according to pollinator visitation and seed herbivory. Also, survivorship in parental habitats is dependent on direction of cross",Fertile,1,,,Variable_habitat_asymm,Variable_habitat_asymm,Divergent habitat and pollinator preference,,,,0,0,1,1,,,,,2,,,,,,Cyto-nuclear genic incompatibility indicated to be environment specific,,,0,1,,,,1,3,"Low for floral trait genes, higher for neutral molecular markers.", Possible asymmetric nuclear gene flow to I. ten.,High,Yes,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI,SI,ref,ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I & B-BM,B-I & B-BM,ref,ref,Hummingbird(main)/Hawkmoth,Hawkmoths(main)/Hummingbird,1,Herb,Herb,Herb_Herb,,,"Aldridge, 2005; Aldridge, Campbell, 2009; Campbell & Waser, 2001; Campbell et al., 1997, 2002, 2008; Wu, Campbell, 2005",,,RAPDs,Structure,,,,,,,,,,,,,,,,,,"Low for floral trait genes, higher for neutral molecular markers.",high,,,,"Variation between two sites, but overall differentiated for floral genes, but not for netural markers",,,,,,
50,Ipomopsis aggregata subsp. candida,Ipomopsis aggregata subsp. collina,Polemoniaceae,Ipomopsis,error: idem in the database,"Hybrid zone apparent for floral traits, but not for neutral molecular markers",Not clear - assumed to be unimodal,Unimodal,0,,,,,,,,,Divergent pollinator-mediated selection assumed,,,,0,0,,1,,,,,1,,,,,,,,,1,,,,,0,1,High except from genes controlling floral traits,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI,SI,ref,ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,check,B-I & B-BM,ref,ref,Hummingbird/Hawkmoth,Hummingbird/Hawkmoth,1,Herb,Herb,Herb_Herb,,"Info refers to species aggregata, not specifically to the subspecies!","Milano et al., 2016",,,SSRs,Structure,,,,,,,,,,,,0.032,7.5625,,,,,High except from genes controlling floral traits,high,,,,"Fst low, structure analysis only one cluster - all differentiation was for floral traits (Qst) not nuclear markers",,,,,,
77,Piriqueta caroliniana caroliana,Piriqueta caroliniana viridis,Turneraceae,Piriqueta,error: idem in the database,TZ at southern end of HZ indicated by steep clines. But BHS also indicated,Wide range of hybrid genotypes. Parent species absent from HZ.,Unimodal,0,,F1s viable and fertile. Assumed that some hybrid genotypes have high fitness and replace parents across broad area,Fertile,1,,,High,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Later generation hybrids and backcrosses show reduced fitness (hybrid breakdown) indicating genic incompatibility,,,0,,,1,,1,2,Broad hybrid zone suggests long-distance gene flow of some alleles from viridis into caroliana,Likely from viridis into caroliana,Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,inferred,inferred,SI,SI,ref,ref,Distylus breeding system,Distylus breeding system,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,Bee,Bee,1,Herb,Herb,Herb_Herb,,,"Martin, Cruzan, 1999; Cruzan, 2005",,,RAPDs,,no,,,,,,,,,,,,,,,,,Broad hybrid zone suggests long-distance gene flow of some alleles from viridis into caroliana,low,yes,Likely from viridis into caroliana,Piriqueta caroliniana caroliana,,,,,,,
86,Primula beesiana,Primula bulleyana,Primulaceae,Primula ,error: idem in the database,Not clear,First and later generation backcrosses to P. bulleyana,,1,P. bulleyana,,,,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,possible cyto-nuclear incompatibility prevents seed production on P. bees. following intercrossing,,,0,1,,,,1,2,Crosses fail using P. bees. as maternal parent,Stongly asymmetric towards P. bull. ,Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI,SI,ref,ref,"Heterostylous, outcrosser","Heterostylous, outcrosser",,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,Bee/Butterfly,Bee/Butterfly,1,Herb,Herb,Herb_Herb,,,"Ma et al., 2014",,,AFLPs,structure,yes,50,10,18,,,,22,,22,44,,,,,,,Crosses fail using P. bees. as maternal parent,high,yes,Stongly asymmetric towards P. bull. ,Primula bulleyana,"possibly high introgression due to all backcrosses, highly asymmetric. Hard to tell frequencies though.",,,,,,
120,Rorippa amphibia,Rorippa sylvestris,Brassicaceae,Rorippa,2.8,Mosaic,Introgressants identified but genotypes not defined,,,,,,,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,,Bidirectional gene flow indicated,Mod,No,,-,-,Hermaphroditic,Hermaphroditic,,,SI,SI,ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,add_ref,add_ref,,,1,Herb,Herb,Herb_Herb,,,"Bleeker, Hurka, 2001","Bleeker, 2004 (119) (120); hermaprhodite ref see Heywood 1993 & Zomlefer 1994",,Allozymes,no,no,,,,,,,,,,,,,,,,,,low,no,Bidirectional gene flow indicated,,,,,,,,
128,Senecio aethnensis,Senecio chrysanthemifolius,Asteraceae,Senecio,error: idem in the database,TZ,Clinal - Wide range of hybrid genotypes occur across cline,Unimodal,0,,Fertile F1s.  But TRD exhibited by ~25% of loci in F2 generation ,Fertile,1,,,,TRD,"Divergent phenology and habitat preference, unilateral weak conspecific pollen precedence",,,,0,0,1,,1,,,1,3,1,,,,,F1 progeny show reduced germination and survivorship indicating genic incompatibility,,,0,,,1,,1,4,current gene flow beyond HZ very low or absent,Historic asymmetric gene flow towards S. chrys.,HZ only,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,SI,SI,ref,ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,Hoverfly,Hoverfly,1,Herb,Herb,Herb_Herb,,,"James, Abbott, 2005; Brennan et al., 2009, 2014, 2016; Chapman et al., 2005, 2013, 2015; Filatov et al., 2016",,,RAPDs,structure,yes,150,34,29,,,,,87,87,58,,,,,,,current gene flow beyond HZ very low or absent,high,yes,Historic asymmetric gene flow towards S. chrys.,Senecio chrysanthemifolius,"exact numbers of hybrid classes not presented, but from q values it appears a spread across entire range. Quite unimodal and clinal",,,,,,
129,Senecio hercynicus,Senecio ovatus,Asteraceae,Senecio,-,Mosaic or Evolutionary novelty,Clinal - Wide range of hybrid genotypes occur across cline or high frequency (~75%) of backcrosses to S. ovat. S. herc. restricted to highest  altitudes but even here is partly introgressed,Unimodal,0,,Fertil F1s and backcrosses with equivalent seed set and germination to parents,Fertile,1,,,Equal_to_parents,Equal_to_parents,Divergent phenology and habitat preference (taxon specific alleles favored at different altitudes),,,,0,0,1,,1,,,,2,,,,,,Assumed weak/absent,,1,1,,,,,0,2,,Generally symmetrical within HZ or high asymmetric gene flow towards S. ovat,High,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,SI,SI,ref,ref,can spread vegetativeli,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,,,1,Herb,Herb,Herb_Herb,,,"Raudnitschka et al., 2007; Bog et al., 2017",,,RAPDs,PCO,no,415,,,,,,,,,,,,,,,,,high,,Generally symmetrical within HZ or high asymmetric gene flow towards S. ovat,Senecio ovatus,"difficult to quantify anything with the analyses done, but RAPDs show individuals spannig whole range between species and they classify as a hybrid swarm. Descriptive accounts in paper suggest range of backcrosses and little in way of barriers",,,,,,
132,Tithonia rotundifolia,Tithonia tubaeformis,Asteraceae,Tithonia,error: idem in the database,Not stated. Hybrid swarms formed in anthropogenically disturbed areas along roadsides,"Mix of parental species, F1s, F2s and backcrosses. In two populations T. tab. was absent",Unimodal,0,,Assumed F1s fertile,Fertile,1,,,,,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,Assumed weak/absent,,1,1,,,,,0,2,,"Bidirectional gene flow, but with asymmetric bias towards T. rot.",High,No,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI (with potential breakdown),SI (with potential breakdown),ref,ref,Sporophytic incompatibility,Sporophytic incompatibility,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,,,1,Herb,Herb,Herb_Herb,,,"Tovar‐Sanchez et al., 2012",,,RAPDs,newhybrids ,yes,150,64,21,8,33,21,7,,69,46,,,,,,,,high,yes,"Bidirectional gene flow, but with asymmetric bias towards T. rot.",Tithonia rotundifolia,"broad mix of hybrid class, high frequency",,,,,,
137,Zaluzianskya microsiphon,Zaluzianskya natalensis,Scrophulariaceae,Zaluzianskya,error: idem in the database,Possible TZ,"Bimodal. Hybrids appear to encompass some intermediates (possibly F1s, F2s) and mainly backcrosses to Z. nat.",Bimodal,1, Z. nat.,F1s assumed fertile due to presence of backcrosses,Fertile,1,,,,,"Divergent flowering time, floral structure and pollinator preference",,,,0,0,,1,1,,1,,3,,,,,,,,,1,,,,,0,3,,"Possible asymmetric gene flow towards Z. nat., also indicated by morphological analysis",Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,,,,,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,Long-proboscid fly,Hawkmoth,1,Herb,Herb,Herb_Herb,,,"Archibald et al., 2004",,,ISSR,,,,,,,,,,,,,,,,,,,,verylow,yes,"Possible asymmetric gene flow towards Z. nat., also indicated by morphological analysis",Zaluzianskya natalensis,difficult to quantify anything with the ISSRs which are not very diagnostic of species,,,,,,
24,Borrichia arborescens,Borrichia frutescens,Asteraceae,Borrichia,-,Possibly Mosaic .(Not stated),"Trimodal. Parents combined (63%), F1s  (~7%), F2s (~20%), Backcrosses to B. frut. (~9%)",Trimodal,1,B. frut.,Hybrids are fertile,Fertile,1,,,,,"Not stated, low frequency of F1s may imply difficulty to produce.",,1,,1,0,,,,,,,0,,,,,,Assumed weak/absent,,1,1,,,,,0,0,High amount of gene flow occurs within hybrid zone,Mainly towards B. frut.,High,Yes,,-,-,Hermaphroditic,Hermaphroditic,,,SI,SI,Semple & Semple (1977),Semple & Semple (1977),No fruit/seed when selfed,No fruit/seed when selfed,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,1.13,,tm,,B,_B,,B-I,,tm,,,0,Shrub,Shrub,Shrub_Shrub,,,"Cattell, Karl, 2004",,,"4 nuclear, 1 cytoplasmic",,,100,31,32,7,20,,10,,37,37,,,,,,,High amount of gene flow occurs within hybrid zone,high,Yes,Mainly towards B. frut.,Borrichia frutescens,"No numbers available, just %. Asymmetries to B. fruc identified through BCs",,,,,,
28,Ceanothus roderickii,Ceanothus cuneatus,Rhamnaceae,Ceanothus,4.1,Mosaic – across a non-disturbed area,Bimodal - Some early and late generation hybrids present with many plants of both parents,Bimodal,0,,"F1 seed partially viable, F1s assumed fertile due to presence of later generation hybrids, but exhibit lower fitness on soil types of both parents",Fertile,1,,,Low_parental_habitat,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,," Reduced viability of hybrid seed indicates some genic incompatibility (intrinsic), reduced hybrid fitness on parent’s soils indicates extrinsic RI",,,0,,,1,1,2,3,Very low,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI,SI,ref,ref,No fruits/seeds when self-pollinated. Favor outcrossing,No fruits/seeds when self-pollinated. Favor outcrossing,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,Hymenoptera/Diptera/Beetles,Hymenoptera/Diptera/Beetles,0,Shrub,Shrub,Shrub_Shrub,,,"Burge et al., 2013",,,AFLPs,Structure,Yes,569,,,12,,,,31,43,7.55711775,0.15,1.416666667,,,,,Very low,low,,,,mean Fst from three adults and seeds from three sites. Hybrids across a soil gradient,,,,,,
32,Dubautia arborea,Dubautia ciliolata,Asteraceae,Dubautia,0.6,,Hybrid swarm. Wide range of hybrid and backcross genotypes assumed based on morphological and partial genetic analysis,Unimodal,0,,Fertile F1,Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,A high level of asymmetric gene flow is assumed within hybrid zone,Towards D. arb. ,High,Yes,>98%,-,-,Hermaphroditic,Hermaphroditic,add_ref,,SI,SI,ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,website mentioned in other,,,,0,Shrub,Shrub,Shrub_Shrub,,CONFLICT on D. ciliolata SC vs SI in references. Potential insect pollination mentioned in Wood 2012 as well as on websites https://www.encyclopedia.com/environment/science-magazines/naenae-dubautia-pauciflorula & http://www.iucnredlist.org/details/79866204/0,"Remington, Robichaux, 2007","Carr et al., 1986; Wood 2012",,AFLPs,Structure,,89,,,,,,,,,,0.089,2.558988764,,,,,A high level of asymmetric gene flow is assumed within hybrid zone,high,Yes,Towards D. arb. ,Dubautia arborea,D. arb more admixed. No hybrid numbers available,,,,,,
114,Rhododendron decorum,Rhododendron delavayi,Ericaceae,Rhododendron,9.7,Possibly mosaic. (Not stated) ,"Wide range of hybrid genotypes (F1s, F2s, backcrosses to both parents, and later generation hybrids)",Unimodal,0,,Assumed F1s fertile. Intercrossing and backrossing produce germinable seed,Fertile,1,,,,,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,Assumed weak/absent,,1,1,,,,,0,2,Very low ,,Low,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,SI,SI,,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,,B,_B,,B-I,,add_ref,,,0,Shrub,Shrub,Shrub_Shrub,,,"Zha et al., 2008","Zha et al., 2010",,AFLPs,newhybrids,no,,,,,,,,,,,,,,,,,Very low ,low,no,,,"F1s, F2s, and backcrosses both directions. But low sample size makes quantification challenging (15 samples)",,,,,,
116,Rhododendron eriocarpum,Rhododendron indicum,Ericaceae,Rhododendron,12.4,Mosaic,"A wide range of hybrid genotypes indicated across coastal sites where R. erioc. grows, but none elsewhere",Unimodal,0,,Assumed F1s fertile,Fertile,1,,,,,Divergent habitat and partly pollinator preferences,,,,0,0,1,1,,,,,2,,,,,,"Not stated, habitat-mediated selection may act against hybrids in R. indicum sites",,,1,,,,,0,2,,Asymmetric gene flow towards R. erioc.,Mod,Yes,,-,-,Hermaphroditic,Hermaphroditic,add_ref,add_ref,weak SI,weak SI,ref,ref,predominantly outcrossing,predominantly outcrossing,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,Bee/Diptera,Butterfly/Bee,0,Shrub,Shrub,Shrub_Shrub,,,"Tagane et al., 2008","Zha et al., 2010",,RAPDs,,no,,,,,,,,,,,,,,,,,,low,yes,Asymmetric gene flow towards R. erioc.,Rhododendron eriocarpum,not suitable data for numbers,,,,,,
21,Betula alleghaniensis,Betula papyrifera,Betulaceae,Betula,error: idem in the database,,Bimodal - only 3 of 839 individuals likely to be F1s,Bimodal,0,,,,,,,,,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,,,,1,,,,,0,2,Introgression of B. pap. alleles into B. alleg. more common in sympatric north than allopatric south,Introgression of B. pap. alleles into B. alleg. more common in sympatric north than allopatric south,High,Yes,,-,-,Monoecious,Monoecious,add_ref,,SI,SI,see Hagman 1971 (book),see Hagman 1971 (book),,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Thomson et al., 2015","Maliouchenko et al., 2007",,SSRs,Structure,,839,,,3,,,,29,32,3.814064362,,,,,,,Introgression of B. pap. alleles into B. alleg. more common in sympatric north than allopatric south,low_variable,,,,"Admixture correlated with latitude. Introgression of B. pap. alleles into B. alleg. more common in sympatric north than allopatric south (Phist = 0,27)",,,,,,
22,Betula ermanii,Betula pubescens,Betulaceae,Betula,-,,Unimodal. Admixed individuals indicative of backcrosses to either parent species,Unimodal,0,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Possibly high within hybrid zone,,HZ only,NS,,-,-,Monoecious,Monoecious,add_ref,,SI,SI,see Hagman 1971 (book),see Hagman 1971 (book),,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Tsuda et al., 2017","Maliouchenko et al., 2007",,SSRs,Structure,,,,,,,,,,,,0.09,2.527777778,,,,,Possibly high within hybrid zone,high,,,,"No numbers on hybrids available, but some hybrids detected",,,,,,
23,Betula pendula,Betula platyphylla,Betulaceae,Betula,-,,Some hybrid populations comprise intermediately admixed individuals (possibly F1s). Others of admixed individuals indicative of backcrosses to B. pend.,Unimodal,,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,High within hybrid zone with an asymmetric bias towards B. pend.,asymmetric bias towards B. pend.,High,Yes,,-,-,Monoecious,Monoecious,add_ref,,SI,SI,see Hagman 1971 (book),see Hagman 1971 (book),,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Tsuda et al., 2017","Maliouchenko et al., 2007",,SSRs,Structure,,,,,,,,,,,,0.12,1.833333333,,,,,High within hybrid zone with an asymmetric bias towards B. pend.,high,Yes,towards B. pend.,Betula pendula,"No numbers on hybrids available, but some hybrids detected",,,,,,Direction of gene flow dependent on hybrid population examined
45,Gliricidia maculata,Gliricidia sepium,Fabaceae,Gliricidia,14.5,,Hybrids occur in populations located at intermediate latitudes ,,,,,,,,,,,Divergent ecogeographic distributions,,,,0,0,1,,,1,,,2,,,,,,,,,1,,,,,0,2,"Assumed high within hybrid zone, but low outside zone ",,HZ only,NS,,,,,Hermaphroditic,,,SI,SI,,ref,,Obligate outcrosser,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,,,,,,,,,,0,Tree,Tree,Tree_Tree,,,"Dawson et al., 1996",,,RAPDs,,,,,,,,,,,,,,,,,,,"Assumed high within hybrid zone, but low outside zone ",low_variable,,,,"Three locations where evidence of hybridization (pop hybrid index 0.61, 0.35, 0.65), but only one pop where evidence of introgression.",,,,,,
57,Metrosideros polymorpha (high altitude),Metrosideros polymorpha (low altitude),Myrtaceae,Metrosideros,error: idem in the database,Clinal - possible TZ or BHS,,,,,,,,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,High,,High,NS,,-,-,Hermaphroditic,Hermaphroditic,,,,,,,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I & B-BM,B-I & B-BM,ref,ref,Bird/Insesct,Bird/Insesct,0,Tree,Tree,Tree_Tree,,,"Izuno et al., 2017",,,,,,,,,,,,,,,,,,,,,,High,high,,,,One single species (ecotypes),,,,,,
87,Quercus affinis,Quercus laurina,Fagaceae,Quercus,error: idem in the database,"Mosaic indicated by some markers, smooth cline by others",Hybrid populations often show unimodal distribution of hybrid indices,Unimodal,0,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Gene flow occurs within HZ but not examined outside zone,,HZ only,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"González‐Rodríguez et al., 2004; Ramos‐Ortiz et al., 2016","Ducousso et al., 1993",,RAPDs,ML_hybridIndex_HardigMethod,no,,,,,,,,,,,,,,,,,Gene flow occurs within HZ but not examined outside zone,high,,,,difficult to quantify classes or basic numbers. But looks like HI spread across whole range and quite unimodal,,,,,,
88,Quercus austrocochinchinensis,Quercus kerrii,Fagaceae,Quercus,error: idem in the database,Mosaic,AFLPs and nSSrs gave different results; most hybrids were backcrosses with few F1s and F2s present  ,,,,,,,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,Historical and ongoing gene flow inferred,Asymmetrical introgression towards Q. aust,High,Yes,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"An et al., 2017","Ducousso et al., 1993",,"SSRs, AFLPs","Structure, newhybrids",yes,61,25,17,0,0,,19,,19,31.14754098,0.138,1.561594203,,,,,Historical and ongoing gene flow inferred,high,,Asymmetrical introgression towards Q. aust,Quercus austrocochinchinensis,"mixed results, SSRs show toward kerri, AFLPs towards austro. Go with Abbotts call",,,,,,
89,Quercus berberidifolia,Quercus durata,Fagaceae,Quercus,error: idem in the database,,"Wide range of admixed types found in mixed populations indicate presence of F1s, backcrosses and later generation hybrids",Unimodal,0,,Hybrids possibly less competitive on serpentine soils. No detailed examination of hybrid fitness conducted.,,,,,,,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,,,,1,,,,,0,2,High rates of interspecific hybridization occur at parapatric sites,Bias from Q. dur. to Q. berb.,High,Yes,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Ortego et al., 2017","Williams et al., 2001; Ducousso et al., 1993",,SSRs,"Structure, newhybrids",yes,451,132,131,,,,,188,188,41.68514412,,,Migrate,,,,High rates of interspecific hybridization occur at parapatric sites,high,,Bias from Q. dur. to Q. berb.,Quercus berberidifolia,estimate of the number of parentals. ,,,,,,
90,Quercus coccifera,Quercus ilex,Fagaceae,Quercus,error: idem in the database,,Bimodal - Hybrids (18%) comprised F1s and backcrosses,Bimodal,0,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Very low,Bidirectional,Low,No,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Ortego, Bonal, 2009","Ducousso et al., 1993",,SSRs,structure,yes,27,13,8,,,,,6,6,22.22222222,0.09,2.527777778,,,,,Very low,high,no,Bidirectional,,"estimated Fst from avergae in Table1. Reasonable number of hybrids across range of q, but sample size is low and hard to tell if frequencies representative. Disagree with Abbot that gene flow very low",,,,,,
91,Quercus crassifolia,Quercus crassipes,Fagaceae,Quercus,-,Mosaic possibly,Hybrid populations contain a wide range of hybrid genotypes including F1s and backcrosses,Unimodal,0,,,,,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,,Direction of gene flow dependent on hybrid population examined,Mod,Yes,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Tovar‐Sánchez, Oyama, 2004","Ducousso et al., 1993",,RAPDs,hardig_hybridIndex,yes,211,64,69,54,,11,13,,78,36.96682464,,,,,,,,high,no,Direction of gene flow dependent on hybrid population examined,,"took sum of hybrid classes across 7 pops. But old method and difficult to tell accuracy. However, likely range of admixture values and numbers in both directions",,,,,,
92,Quercus crispula,Quercus dentata,Fagaceae,Quercus,error: idem in the database,,Bimodal. Both parents with some putative early generation hybrids and backcrosses ,Bimodal,0,,,,,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,,,,1,,,,,0,1,Assumed low,,Low,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Ishida et al., 2003","Ducousso et al., 1993",,AFLPs,,yes,104,48,48,,,,,8,8,7.692307692,,,,,,,Assumed low,verylow,no,,,difficult to classify classes,,,,,,
93,Quercus douglasii,Quercus lobata,Fagaceae,Quercus,error: idem in the database,,Bimodal. Hybrids very rare,Bimodal,0,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,Very low,,Low,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Craft et al., 2002","Williams et al., 2001; Ducousso et al., 1993",,SSRs,Structure,yes,141,26,109,,,,,6,6,4.255319149,0.106,2.108490566,,,,,Very low,verylow,no,,,they used Slatikin & Barton & Slatkin method to estimate Nm,,,,,,
94,Quercus gambelii,Quercus grisea,Fagaceae,Quercus,error: idem in the database,Mosaic,Wide range of hybrid genotypes evident at center of hybrid zone,Unimodal,0,,Interspecific crosses show reduced fruit set,Fertile,1,,,Reduced,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Reduced hybrid fruit set indicates genic incompatibility,,,0,,,1,,1,2,Some alleles do not introgress,Asymmetric gene flow towards Q. gris. in hybrid zone.  ,Mod,Yes,,-,-,Monoecious,Monoecious,ref,ref,SI,SI,ref,ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Howard et al., 1997; Williams et al., 2001",,,RAPDs,Canonical,no,,,,,,,,,,,,,,,,,Some alleles do not introgress,low,yes,Quercus grisea,,cant get proper counts of hybrids or classes,,,,,,
95,Quercus geminata,Quercus virginiana,Fagaceae,Quercus,11.1,Not stated. Pure and mixed stands of each species analyzed within a broad area of species overlap,Bimodal - 5% of 109 individuals surveyed were hybrid. Hybrids appear to include F1s and backcrosses,Bimodal,0,,,,,,,,,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,,,,1,,,,,0,2,Low possibly due to difference in flowering time,,Low,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Cavender‐Bares, Pahlich, 2009","Williams et al., 2001; Ducousso et al., 1993",,SSRs,Structure,yes,109,49,49,6,,3,2,,11,10.09174312,0.086,2.656976744,,,,,Low possibly due to difference in flowering time,low,,,,,,,,,,
96,Quercus ilex,Quercus suber,Fagaceae,Quercus,error: idem in the database,Not stated. Pure and mixed stands of each species analyzed within a broad area of species overlap,Bimodal - Only 0.027-1.14% of 1487 individuals examined were hybrid. Hybrids comprise F1s and backcrosses,Bimodal,0,,,,,,,,,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,F1s produced more easily with Q. ilex as maternal parent might imply cytonuclear incompatibility,1,,0,1,,,,1,3,Very low (<2%),No asymmetric gene flow contrary to what had been concluded from studies using cpDNA and mtDNA ,Low,No,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Burgarella et al., 2009","Yacine, Bouras, 1997: Varela, Valdivesso, 1996; Ducousso et al., 1993",,SSRs,"Structure, newhybrids",yes,789,379,396,6,,2,6,,14,1.774397972,0.42,0.345238095,,,,,Very low (<2%),verylow,no,No asymmetric gene flow contrary to what had been concluded from studies using cpDNA and mtDNA ,,"5 mixed pops available, only used these for totals of parentals and hybrids",,,,,,
97,Quercus kelloggii,Quercus wislizeni,Fagaceae,Quercus,error: idem in the database,Possible tension zone.,Trimodal - All hybrids were F1s,Trimodal,0,,F1s produce acorns and viable progeny. ,Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Post-F1 reduced fitness due to ecological inviability (extrinsic) or hybrid breakdown (intrinsic),,,0,,,1,1,2,3,,,,,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Nason et al., 1992","Ducousso et al., 1993",,RFLPs,hybridIndex,yes,61,27,21,13,,,,,13,21.31147541,,,,,,,,verylow,no,,,"numbers estimated from Figure. All morphologically inferred hybrids were F1s with markers. All confirmed F1s, low likelihood of BC or F2.",,,,,,
98,Quercus liaotungensis,Quercus mongolica,Fagaceae,Quercus,error: idem in the database,Unclear,"Bimodal, Unimodal, and other types of hybrid zone detected",,,,,,,,,,,"Assumed weak in unimodal hybrid zones, but strong in bimodal ones",1,,,1,0,,,,,,,0,,,,,,Not examined. Hybrids possibly have lower intrinsic fitness,,,0,,,1,,1,1,"High within some unimodal hybrid zones, low in bimodal zones",,High,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Zeng et al., 2011","Williams et al., 2001; Ducousso et al., 1993",,AFLPs,Structure,no,419,61,,,,,,,,,,,,,,,"High within some unimodal hybrid zones, low in bimodal zones",high,no,,,"hard to get exact counts, but in hybrid zones ~20% across whole range of q values",,,,,,
99,Quercus magnoliifolia,Quercus resinosa,Fagaceae,Quercus,-,Not stated. Hybrids occurred infrequently across altitude gradient,F1s and backcrosses to both parent species present,Unimodal,0,,Assumed F1s fertile. F1s and backcrosses exhibit higher developmental instability,Fertile,1,,,,,Divergent habitat preference,,,,0,0,1,,,,,,1,,,,,,Higher hybrid instability could reflect genic incompatibility,,,0,,,1,,1,2,Gene flow occurs within hybrid zone,,HZ only,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Albarrán‐Lara et al., 2010","Ducousso et al., 1993",,SSRs,Structure,no,216,34,17,25,,100,40,,165,,,,,,,,Gene flow occurs within hybrid zone,high,no,,,"hard to get exact counts, but q values across entire range",,,,,,
100,Quercus petraea,Quercus pubescens,Fagaceae,Quercus,-,Not stated. Single mixed population examined,"Wide range of admixed types present, possibly representing F1s, F2s, backcrosses and later generation hybrids",Unimodal,0,,Intermediate hybrids exhibit high pollen fertility and viability,Fertile,1,,High,,,Divergent phenology,,,,0,0,,,1,,,,1,,,,,,Assumed weak or absent,,1,1,,,,,0,1,High level gene flow,Asymmetrically biased towards Q. pub.,High,Yes,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,"Predominantly outcrossing, proterandrous","Predominantly outcrossing, proterandrous",,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Salvini et al., 2009","Williams et al., 2001; Ducousso et al., 1993",,SSRs,Structure,no,295,,,,,,,,,20,0.076,3.039473684,,,,,High level gene flow,high,yes,Asymmetrically biased towards Q. pub.,Quercus pubescens,hard to tell how many hybrids but looks like about 20% from figure (acrossfull range of q values),,,,,,
101,Quercus petraea,Quercus pyrenaica,Fagaceae,Quercus,-,Mosaic,Bimodal - Wide range of hybrid genotypes among few hybrids detected,Bimodal,0,,,,,,,,,Divergent phenology and habitat preference,,,,0,0,1,,1,,,,2,,,,,,,,,1,,,,,0,2,Low,,Low,NS,,-,-,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,"Valbuena‐Carabaña et al., 2005","Williams et al., 2001; Ducousso et al., 1993",,SSRs,Structure,yes,176,,,5,,5,5,,15,8.522727273,0.08,2.875,,,,,Low,low,no,,,"low levels, but bidirectional",,,,,,
102,Quercus petraea,Quercus robur,Fagaceae,Quercus,3.4,Not stated. Species sympatric over wide area. ,Bimodal at adult stage. Hybrids very common at seedling stage. Hybrid breakdown not yet studied in detail,Bimodal,0,,Not examined. Reduced germination of hybrid seed,Fertile,1,,,Reduced,,"Divergent habitat preference, conspecific pollen precedence",,,,0,0,1,,,,,1,2,1,,,,,Reduced germination of hybrid seed indicates genic incompatibility,,,0,,,1,,1,3,Low at adult stage where hybrids relatively infrequent,,Low,NS,,-,-,Monoecious,Monoecious,ref,ref,SI,SI,ref,ref,Predominantly outcrossing,Predominantly outcrossing,,,SI,SI,SI-SI,SI_SI,SI_x_SI,1,0.95,,,A,A,A_A,A,A,ref,ref,,,0,Tree,Tree,Tree_Tree,,,"Bacilieri et al., 1996; Streiff et al., 1999; Gugerli et al., 2007; Lepais, Gerber, 2011; Abadie et al., 2012; Gailing, Curtu, 2014","Ducousso et al., 1993",,SSRs,"Structure, newhybrids",yes,227,84,128,,,,,15,15,6.607929515,,,,,,,Low at adult stage where hybrids relatively infrequent,low,no,,,used Lepias et al 2009 here.,,,,,,
136,Yucca brevifolia,Yucca jaegeriana,Asparagaceae,Yucca,-,TZ ,Mainly Trimodal - 60% of trees were non-admixed (mainly Y. jaeg.). Hybrids comprise a wide range of admixture,Trimodal,0,,Hybrids show reduced fitness due to negative Yucca - Yucca Moth interactions,,,,,Reduced,Reduced,Species specific Yucca - Yucca Moth interaction important for successful seed set. Hybrids with intermediate style lengths are poorly adapted to ovipositor lengths of moths,,,,0,0,,,,,1,,1,,,,,,,,,1,,,,,0,1,"Gene flow occurs within hybrid zone, but very low or absent away from zone",,HZ only,NS,,-,-,Hermaphroditic,Hermaphroditic,ref,ref,Likely SI (see add_ref),Likely SI (see add_ref),,,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,B,B,B_B,B-I,B-I,ref,ref,Moth (Tegeticula synthetica),Moth (Tegeticula antithetica),0,Tree,Tree,Tree_Tree,,Moth and plant depend solely on each other for reproduction,"Royer et al., 2016","Trelease, 1893",,RADs,structure,yes,184,,,,,,,,74,40.2173913,0.25,0.75,,,,,"Gene flow occurs within hybrid zone, but very low or absent away from zone",low,no,,,"spread of Q values including backcrosses, but still rather bimodal. High Fst. Therefore bumped down to low gene flow",,,,,,
139,Quercus pyrenaica,Quercus robur,Fagaceae,Quercus,,Mosaic,Bimodal,Bimodal,,,,,,,,,,,,,,1,0,,,,,,,0,,,,,,,,,1,,,,,0,0,,,,,,,,Monoecious,Monoecious,add_ref,add_ref,SI,SI,add_ref,add_ref,,,,,SI,SI,SI-SI,SI_SI,SI_x_SI,,,,,A,A,A_A,A,A,add_ref,add_ref,,,0,Tree,Tree,Tree_Tree,,,Lepais et al 2009,,,SSRs,structure,yes,523,235,240,,,,,48,48,9.177820268,,,,,,,,low,no,,,,,,,,,