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A.G. Dietrich, Fl. Boruss., vol. 8 : t. 534 (1840) [A.G. Dietrich] [73]
drawing: A.G. Dietrich [864]
Illustration contributed by:
University of Illinois Urbana-Champaign, U.S.A.
A.G. Dietrich, Fl. Boruss., vol. 8 : t. 534 (1840) [A.G. Dietrich]