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Coryphantha echinus . Cactus World 28(2): 112. - · PDF filethe field notes from his 1988 botanising/seed collecting trip to South America, confirming that the locality details of

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Page 1: Coryphantha echinus . Cactus World 28(2): 112. - · PDF filethe field notes from his 1988 botanising/seed collecting trip to South America, confirming that the locality details of