As classified in WFO snapshot
December 2023
latest classification for this taxon
species
Penstemon tubiflorus
This species name was first published in Trans. Amer. Philos. Soc. , n.s., 5: 181 (1835)
At the time of this classification snapshot, this species name was accepted by WFO (placed as the accepted name of a taxon). Its description and other taxonomic data can be found on World Flora Online, id: wfo-0000475434.