Pereskiopsis porteri
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Pereskiopsis porteri (Brandegee ex F.A.C.Weber) Britton & Rose (Cactaceae) [Accepted]
homotypic synonyms:
Grusonia porteri (Brandegee ex F.A.C.Weber) G.D.Rowley; Opuntia porteri Brandegee ex F.A.C.Weber;
protologue: Smithsonian Misc. Collect. 50: 332 (1907)

6 768809 Pereskiopsis porteri (Brandegee ex F.A.C.Weber) Britton & Rose [125 720707 Opuntia porteri Brandegee ex F.A.C.Weber]
K.M. Schumann, Gesamtbeschr. Kakt.: p. 653, t. 99 (1899)