Gymnocalycium denudatum subsp. angelae (Mereg.) Prestlé in Gymnocalycium 17: 577. 2004 Gymnocalycium denudatum subsp. angelae (Mereg.) Prestlé in Gymnocalycium 17: 577. 2004is new combination for Gymnocalycium angelae Mereg. in Kakteen And. Sukk. 49: 287. 1998Taxon for this nameGymnocalycium denudatum subsp. angelae (Mereg.) Prestlé