More Accounts and Images:
Penstemon acuminatus Douglas ex Lindl.
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 33799.
View species account from Native American Ethnobotany (University of Michigan - Dearborn).
View photographs and distribution from University of Washington Burke Museum.