Austrocactus spiniflorus (Phil.) F.Ritter [ Opuntia clavata Engelm.]
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.

vol. 4 (1853-1856)
t. 22
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Austrocactus spiniflorus (Phil.) F.Ritter

name cited:
Opuntia clavata Engelm.
name recognized:
Austrocactus spiniflorus (Phil.) F.Ritter
name recognized (basionym):
Opuntia spiniflora Phil.
drawing: P. Roetter
family: Cactaceae
subfamily: Opuntioideae
epithet cited: clavatus,-a,-um

epithet recognized: spiniflorus,-a,-um

Illustration contributed by:
San Francisco Public Library, San Francisco, California, U.S.A.
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homotypic synonyms:
Corryocactus spiniflorus (Phil.) Hutchison; Erdisia spiniflora (Phil.) Britton & Rose; Opuntia spiniflora Phil.;
heterotypic synonyms:
Echinocereus clavatus Schumann; Echinocereus hypogaeus (F.A.C.Weber ex Regel) A.A.Weber ex Schumann; Echinocereus hypogaeus Rumpler; Eulychnia clavata Phil. ex Schumann; Opuntia bicolor Phil.; Opuntia clavata Engelm.;
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6 119869 Austrocactus spiniflorus (Phil.) F.Ritter [125 720850 Opuntia spiniflora Phil.]
J. Torrey, Pacif. Railr. Rep., vol. 4 fasicle 3, : t. 22 (1853-1856) [P. Roetter]