Torrey, J., Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean in 1853-6 (1856)
Pacif. Railr. Rep.

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vol. 2 (1853-1855)

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t. 8

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name cited:
Penstemon heterander Torrey & A. Gray
name recognized:
Penstemon deustus Douglas

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family: Scrophulariaceae
subfamily: Antirrhinoideae
tribe: Cheloneae

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epithet cited: heterander

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epithet recognized: deustus,-a,-um

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Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.

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link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=85948

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synonyms: