Penstemon diphyllus

Taxonavigation

Taxonavigation: Lamiales
Classification System: APG IV Superregnum: Eukaryota Regnum: Plantae Cladus: Angiosperms Cladus: Eudicots Cladus: Core eudicots Cladus: Asterids Cladus: Lamiids Ordo: Lamiales

Familia: Plantaginaceae
Tribus: Cheloneae
Genus: Penstemon
Species:

Penstemon diphyllus Rydb., 1900

Homotypic
- Penstemon triphyllus subsp. diphyllus (Rydb.) D.D.Keck in Univ. Calif. Publ. Bot. 16: 422 (1932)

Native distribution areas:
Continental: Northern America Regional: Northwestern USA Idaho, Montana, Washington References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

Rydberg, P.A. 1900. Catalogue of the Flora of Montana and the Yellowstone National Park. Memoirs of The New York Botanical Garden 1: 1–492. BHL Reference page. : 1: 349

Flora of North America Editorial Committee (2019). Flora of North America North of Mexico 17: 1-737. Oxford University Press, New York, Oxford.

Govaerts, R. et al. 2025. Penstemon diphyllus in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 July 14. Reference page.
International Plant Names Index. 2025. Penstemon diphyllus. Published online. Accessed: July 14 2025. Reference page.
Tropicos.org 2025. Penstemon diphyllus. Missouri Botanical Garden. Published online. Accessed: 14 July 2025. Reference page.