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Plantaginaceae
Penstemon
Penstemon attenuatus
Penstemon attenuatus
No common name
Douglas 1830 -
Edwards's Bot. Reg. 15: t. 1295 (1830)
Specifications
Images
Synonyms
Penstemon digitalis var. attenuatus
(Douglas) Trautv.
Penstemon attenuatus subsp. typicus
D.D.Keck