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 kew-2550838,A,Plantaginaceae,,Penstemon,,"humilis",,"","Nutt. ex A.Gray",Unresolved,,L,WCSP (in review),,808139-1,"Proc. Amer. Acad. Arts","6: 69","","1862", tro-29201372,A,Plantaginaceae,,Penstemon,,"humilis",subsp.,"brevifolius","(A. Gray) D.D. Keck",Unresolved,,L,TRO,29201372,187547-2,"Amer. Midl. Naturalist","33(1): 184","184","1945",tro-29201372 tro-29204288,A,Plantaginaceae,,Penstemon,,"humilis",var.,"brevifolius","A. Gray",Synonym,,L,TRO,29204288,187548-2,"Syn. Fl. N. Amer.","2(1): 267","267","1871",tro-29201372 tro-29201373,A,Plantaginaceae,,Penstemon,,"humilis",subsp.,"obtusifolius","(Pennell) D.D. Keck",Synonym,,L,TRO,29201373,187550-2,"Amer. Midl. Naturalist","33(1): 184","184","1945",tro-29204289 tro-29204289,A,Plantaginaceae,,Penstemon,,"humilis",var.,"obtusifolius","(Pennell) Reveal",Unresolved,,L,TRO,29204289,187549-2,"Great Basin Naturalist","35(4): 369","369","1975",tro-29204289