More Accounts and Images:
Penstemon lyallii (A. Gray) A. Gray
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 33943.
View species account and photographs from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).
View 1 propagation protocol from Native Plants Network.
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