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Agave xylonacantha
Agave xylonacantha Salm-Dyck [Accepted]
Agavaceae
2 28772 Agave xylonacantha Salm-Dyck
W. Curtis, Bot. Mag., vol. 93 [ser. 3, vol. 23]: t. 5660 (1867) [W.H. Fitch]