As classified in WFO snapshot
December 2023
latest classification for this taxon
species
Penstemon haydenii
This species name was first published in Bot. Gaz. 16: 311 (1891)
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-0001136594.