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H.G.A. Engler, Pflanzenr., vol. 129 [Heft 53], (Geraniaceae): p. 15, fig. 7,8 (1912) [147]
Illustration contributed by:
University of Toronto Library, Canada
H.G.A. Engler, Pflanzenr., vol. 129 [Heft 53], (Geraniaceae): p. 15, fig. 7,8 (1912)