More Accounts and Images:
Penstemon pachyphyllus A. Gray ex Rydb.
View photographs from CalPhotos.
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 33963.
View species account and photographs from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).
View species account from Native American Ethnobotany (University of Michigan - Dearborn).