As classified in WFO snapshot
December 2024
latest classification for this taxon
subspecies
Penstemon menziesii subsp. thompsonii
Pennell & D.D.Keck
This subspecies name was first published in Ill. Fl. Pacific States 3: 468 (1951)
This subspecies name has been reclassified since this snapshot. Its current preferred usage is a synonym .