Metzing, Detlev, IfOE, Abt. Geobotanik & Naturschutz; Universit. Bremen, D-28344 Bremen., Germany
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Darwiniana, nueva serie Vol. 34 No. 1-4 (1996) - Systematics and Taxonomy of Plants
A new combination in Gymnocalycium: (Cactaceae).
Abstract PDF (Español (España))