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H.G.A. Engler, Pflanzenr., vol. 117(I): [Heft 67], (Saxifragaceae - Saxifraga I): p. 334, fig. 75 (1916) [218]
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University of Toronto Library, Canada
H.G.A. Engler, Pflanzenr., vol. 117(I): [Heft 67], (Saxifragaceae - Saxifraga I): p. 334, fig. 75 (1916)