Selenicereus grusonianus
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Selenicereus grusonianus (Weing.) A. Berger [Synonym] = Selenicereus macdonaldiae (Hook.) Britton & Rose (Cactaceae)
Engish:
grusonianus,-a,-um
homotypic synonyms:
Cereus grusonianus Weing.;
protologue: Kakteen 116, 346: 116 (1929)