Echinocactus simpsonii Engelm.
Engelmann, G., Plates to the Cactaceae of Simpson’s expedition (= 309) (1876)
see 309

(1876)
t. 1
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name recognized (= name cited):
369608 Echinocactus simpsonii Engelm.

drawing: P. Roetter
family: Cactaceae
subfamily: Cactoideae
tribe: Cacteae
epithet: simpsonii

Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.
link to this page:
http://www.plantillustrations.org/illustration.php?id_illustration=71801
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Echinocactus simpsonii Engelm.
G. Engelmann, see 309: t. 1 (1876) [P. Roetter]