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Plantaginaceae
Penstemon
Penstemon rydbergii var. rydbergii
Penstemon rydbergii var. rydbergii
No common name
No author 1898 -
Bull. Torrey Bot. Club 25: 281 (1898)
Specifications
Images
Synonyms
Penstemon latiusculus
Greene
Penstemon lacerellus
Greene
Penstemon productus
Greene
Penstemon erosus
Rydb.
Penstemon rydbergii var. varians
(A.Nelson) Cronquist
Penstemon attenuatus var. varians
A.Nelson