Thelocactus rinconensis subsp. multicephalus (Halda & Panar. ex Halda) Lüthy in Kakteen And. Sukk. 50(4): 80. 1999
Thelocactus rinconensis subsp. multicephalus in Kakteen And. Sukk. 50(4): 80. 1999
is basionym for Thelocactus multicephalus in Acta Mus. Richnov., Sect. Nat., 5(1): 40. 1998