A synonymy of the genus Gymnocalycium, 1845-1967
By: compiled by E. W. Putnam for the S.P.I. Gymnocalycium Study Group.
Contributors: Succulent Plant Institute. Gymnocalycium Study Group.
Publisher: Succulent Plant Institute; [Distributed by] E. W. Putnam
Published: 1969
Place of publication: Morden; Coulsdon (Surrey)
Language: eng
Number of pages: 22
Subjects: Gymnocalycium.