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Frailea Britton & Rose [1]
M. Descole, Gen. Spec. Pl. Arg., vol. 1 (Cactaceae): t. 34 (1943) [35]
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Frailea sp. - Cactaceae
M. Descole, Gen. Spec. Pl. Arg., vol. 1 (Cactaceae): t. 34 (1943)