File:Castanea spokanensis as Castanea castaneaefolia USNM P36939 img2.jpg

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English: Knowlton Plate 18 fig 7; First figured as Castanea castaneaefolia. Specimens later reidentified as Castanea spokanensis by Chaney & Axelrod, 1959

Langhian (Barstovian), Middle Miocene; Spokane Florule, Latah Formation; Spokane, Portland & Seattle Railway cut, Spokane, Washington, U.S.A.

Department of Paleobotany, National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia; specimen #P36939; collected by by Henry Fair and C. E. Fernquist, 1922.
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Source Smithsonian Castanea castaneaefolia (Unger) Knowlton USNM P36939
Author Fred Cochard
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