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6 369458 Echinocactus platyacanthus Link & Otto Link & Otto [Echinocactus ingens Zucc. ex Pfeiff.]
Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur., vol. 19(1): (Elfter Band): t. 16, fig. 1 (1835) [L. Pfeiffer]
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