Gymnocactus ysabelae (Schlange) Backeb.

, Cactaceae (Backeberg) 5: 2856 (1961).
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External links to taxonomic opinions:
POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:115345-2
Publication
Die Cactaceae: Handbuch der Kakteenkunde
Collation
5: 2856
Family as entered in IPNI
Cactaceae

Links

Nomenclatural link
Thelocactus ysabelae Schlange, Cact. Succ. J. (Los Angeles) 5: 551, fig (1934).
Same citation as
Gymnocactus ysabelae (Schlange) Backeb., Cactaceae (Backeberg) v. 2856 (1961).