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E. Twining, Illustrations of natural orders of plants, vol. 2 : t. 158, fig. 1 (1849-1855) [E. Twining] [91]
drawing: E. Twining [171]
 
University of Illinois Urbana-Champaign, U.S.A.
E. Twining, Illustrations of natural orders of plants, vol. 2 : t. 158, fig. 1 (1849-1855) [E. Twining]