Gymnocalycium pflanzii var. riograndense (Cárdenas) Donald

, Natl. Cact. Succ. J. 26: 100 (1971).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:115471-2
Publication
National Cactus and Succulent Journal. Leeds, Bradford
Collation
26: 100
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Gymnocalycium riograndense Cárdenas, Kakteen And. Sukk. 9: 24 (figs.) (1958).
Same citation as
Gymnocalycium pflanzii var. riograndense (Cárdenas) Donald, Natl. Cact. Succ. J. 26(4): 100 (1971).