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Rheum L. [162]
F.G. Hayne, Getreue Darstell. Gew., vol. 12 : t. 6 (1833) [49]
Illustration contributed by: Royal College of Physicians of Edinburgh, U.K.
Polygonaceae
F.G. Hayne, Getreue Darstell. Gew., vol. 12 : t. 6 (1833)