Checklist » Plantaginaceae » Penstemon diphyllus
Penstemon diphyllus Rydb.[HC, HC2]
two-leaf beardstongue

Publication: Memoirs of the New York Botanical Garden 1: 349-350. 1900.

Origin: Native

Herbarium search: CPNWH

Last updated 9/11/2018.

Synonyms & Misapplied Names:
Penstemon triphyllus Douglas ex Lindl. ssp. diphyllus (Rydb.) D.D. Keck