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Plantaginaceae
Penstemon
Penstemon cardwellii
Penstemon cardwellii
Cardwell's beardtongue
Howell 1901 -
Fl. N.W. Amer.: 510 (1901)
Specifications
Images
Synonyms
Penstemon fruticosus subsp. cardwellii
(Howell) Piper