Taxon:  Penstemon procerus Douglas ex Graham subsp. procerus



Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://grip.mawarid.gov.om/gringlobal/taxon/taxonomydetail?id=484548. Accessed 5 May 2025.