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Plantaginaceae
Penstemon
Penstemon glaber var. glaber
Penstemon glaber var. glaber
No common name
No author 1813 -
Fl. Amer. Sept. 2: 738 (1813)
Specifications
Images
Synonyms
Penstemon alpinus f. riparius
(A.Nelson) Pennell
Penstemon glaber var. stenosepalus
Regel
Penstemon riparius
A.Nelson
Penstemon gordonii
Hook.
Penstemon gordonianus
A.Gray
Penstemon glaber var. occidentalis
A.Gray