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Dasylirion quadrangulatum
Dasylirion quadrangulatum S. Watson [Accepted]
Agavaceae Nolinioideae Nolineae
2 321721 Dasylirion quadrangulatum S. Watson
W. Curtis, Bot. Mag., vol. 126 [ser. 3, vol. 56]: t. 7749 (1900) [M. Smith]
2 321721 Dasylirion quadrangulatum S. Watson
E.A. von Regel, Gartenflora, vol. 36 : p. 280 (1887)