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-29200158,A,Plantaginaceae,,Penstemon,,"angustifolius",,"","Nutt. ex Pursh",Synonym,,L,TRO,29200158,60431648-2,"Fl. Amer. Sept.","2: 738","738","1814",kew-2716765 tro-29201246,A,Plantaginaceae,,Penstemon,,"angustifolius",var.,"caudatus","(A. Heller) Rydb.",Synonym,,L,TRO,29201246,187148-2,"Bull. Torrey Bot. Club","33(3): 151","151","1906",tro-50079707 tro-50079707,A,Plantaginaceae,,Penstemon,,"angustifolius",subsp.,"caudatus","(A. Heller) D.D. Keck",Unresolved,,L,TRO,50079707,187149-2,"J. Wash. Acad. Sci.","29(11): 490","490","1939",tro-50079707 tro-29201247,A,Plantaginaceae,,Penstemon,,"angustifolius",var.,"venosus","(D.D. Keck) N.H. Holmgren",Unresolved,,L,TRO,29201247,187150-2,"Brittonia","31(1): 104","104","1979",tro-29201247 tro-29204302,A,Plantaginaceae,,Penstemon,,"angustifolius",subsp.,"venosus","D.D. Keck",Synonym,,L,TRO,29204302,187151-2,"J. Wash. Acad. Sci.","29(11): 490","490","1939",tro-29201247