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-29203930,A,Plantaginaceae,,Penstemon,,"whitedii",,"","Piper",Synonym,,M,TRO,29203930,187859-2,"Bot. Gaz.","22(6): 490–491","490","1896",tro-29201334 tro-29203932,A,Plantaginaceae,,Penstemon,,"whitedii",subsp.,"dayanus","(Howell) D.D. Keck",Unresolved,,L,TRO,29203932,187860-2,"Bull. Torrey Bot. Club","65(4): 254","254","1938",