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Plantaginaceae
Penstemon
Penstemon davidsonii var. menziesii
Penstemon davidsonii var. menziesii
No common name
Cronquist (D.D.Keck) 1959 -
Vasc. Pl. Pacif. N.W. 4: 379 (1959)
Specifications
Images
Synonyms
Penstemon davidsonii subsp. menziesii
D.D.Keck
Penstemon douglasii
Hook.
Penstemon menziesii var. douglasii
(Hook.) A.Gray
Penstemon menziesii f. douglasii
(Hook.) Voss
Penstemon fruticosus var. douglasii
(Hook.) C.K.Schneid.