Literature
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- Engler A., Irmscher E. 1916, 1919: Saxifragaceae-Saxifraga. — In: Engler A. (Ed.): Das Pflanzenreich. Regni vegetabilis conspectus. IV.117 (Heft 67; 69). W. Engelmann, Berlin. Pp. 1–47(Pars generalis, 1919), 1– 448 (1916), 449–709 (1919). [=> full text]
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