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W.A. Bell, M.B. Cantab, New Tracks N. Amer., vol. 2 : p. 0, t. 0 (1869) [1]
Illustration contributed by:
Missouri Botanical Garden, St. Louis, U.S.A.
W.A. Bell, M.B. Cantab, New Tracks N. Amer., vol. 2 : p. 0, t. 0 (1869)
