Penstemon humilis subsp. brevifolius

No common name

D.D.Keck (A.Gray) 1862 - Keck DD (1945) Studies in Penstemon VIII A Cyto-taxonomic Account of the Section Spermunculus. American Midland Naturalist 33(1): 128. doi: 10.2307/2421327.


Specifications

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Synonyms

No known synonyms