Neolloydia beguinii (F.A.C.Weber ex K.Schum.) Britton & Rose in Bull. Torrey Bot. Club 49(8): 252. 1922
Neolloydia beguinii in Bull. Torrey Bot. Club 49(8): 252. 1922
is new combination for Echinocactus beguinii, Gesamtbeschr. Kakt.: 442. 1897–1899