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Penstemon
Schmidel
[210]
Rev. Hort. (Paris), ser. 4, vol. 49 (49e ANNÉE - 1877): (1877) [Cuisin] [63]
Illustration contributed by:
Harvard University Botany Libraries, Cambridge, U.S.A.
Scrophulariaceae
Rev. Hort. (Paris), ser. 4, vol. 49 (49e ANNÉE - 1877): (1877) [Cuisin]