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Plantaginaceae
Penstemon
Penstemon thompsoniae
Penstemon thompsoniae
Thompson's beardtongue
(A.Gray) Rydb. 1909 -
Bull. Torrey Bot. Club 36: 690 (1909)
Specifications
Images
Synonyms
Penstemon thompsoniae subsp. jaegeri
D.D.Keck
Penstemon thompsoniae var. desperatus
Neese
Penstemon pumilus var. thompsoniae
A.Gray
Penstemon thompsoniae subsp. typicus
D.D.Keck
Penstemon caespitosus var. thompsoniae
(A.Gray) A.Nelson