ID,Major group,Family,Genus hybrid marker,Genus,Species hybrid marker,Species,Infraspecific rank,Infraspecific epithet,Authorship,Taxonomic status in TPL,Nomenclatural status from original data source,Confidence level,Source,Source id,IPNI id,Publication,Collation,Page,Date,Accepted ID tro-27800248,A,Rosaceae,,Crataegus,,"holmesiana",,"","Ashe",Unresolved,,L,TRO,27800248,68398-2,"J. Elisha Mitchell Sci. Soc.","16(2): 78","78","1899", tro-27803276,A,Rosaceae,,Crataegus,,"holmesiana",var.,"amicta","(Ashe) E.J. Palmer",Unresolved,,L,TRO,27803276,68399-2,"Brittonia","5(5): 488","488","1946",tro-27803276 tro-27803277,A,Rosaceae,,Crataegus,,"holmesiana",var.,"chippewaensis","(Sarg.) E.J. Palmer",Synonym,,L,TRO,27803277,68400-2,"Brittonia","5(5): 488","488","1946",tro-50003818 tro-27803275,A,Rosaceae,,Crataegus,,"holmesiana",var.,"magniflora","(Sarg.) E.J. Palmer",Synonym,,L,TRO,27803275,68401-2,"Brittonia","5(5): 488","488","1946",tro-50315866 tro-50278704,A,Rosaceae,,Crataegus,,"holmesiana",var.,"tardipes","(Sarg.) Sarg.",Unresolved,,L,TRO,50278704,68402-2,"J. Arnold Arbor.","1(4): 254","254","1920",tro-50278704