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S. & Moc. and Moc., S. &, ?Fl. Mex., ed. 2, 51. 1894.?, 1894.

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C.H.Wright, ?Kew Bull. 1894: 149. 1894.?, 1894.

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(D. ) Britton and Britton, ?Mem. Torrey Bot. Club 5: 287. 1894?, 1894.

S. & Moc., Moc., S. &, and Moc., S. &, ?Fl. Mexic., ed. 2 49. 1894?, 1894.

(J. ) M.Gómez, ?Anales Hist. Nat. 23: 269. 1894?, 1894.

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(G. M. ) Voss, Voss, (G. M. ), Voss, (G. M. ), Voss, (G. M. ), Voss, (G. M. ), and Voss, (G. M. ), ?Vilm. Ill. Blumengärtn., ed. 3. 1: 722. 1894?, 1894.

(C. ) Voss, Voss, (K. ), Voss, (C. ), Voss, (K. ), Voss, (C. ), and Voss, (K. ), ?Vilm. Ill. Blumengärtn., ed. 3. 1: 723. 1894?, 1894.

(P. ) Voss, ?Vilm. Ill. Blumengärtn., ed. 3. 1: 743. 1894?, 1894.

(D. D. ) Voss, ?Vilm. Ill. Blumengärtn., ed. 3. 1: 743. 1894.?, 1894.

Hort., ?Garden (London 1871-1927) 45: 550. 1894 & 46: 429, pl. 988.?, 1894.

S. & Moc., ?Fl. Mexic., ed. 2, 54. 1894?, 1894.