Walcott, M.V., North American wild flowers (1925-1927)
N. Amer. Wild Fl.

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vol. 3

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t. 209

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Penstemon digitalis Nutt. ex Sims

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name cited:
Penstemon digitalis Nutt. ex Sims
name recognized:
Penstemon digitalis Nutt. ex Sims

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family: Scrophulariaceae
subfamily: Antirrhinoideae
tribe: Cheloneae

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epithet: digitalis,-is,-e

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Illustration contributed by:
Smithsonian Institute, Washington, D.C., U.S.A.

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link to this page:
http://www.plantillustrations.org/illustration.php?id_illustration=177892

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