Neoporteria curvispina var. engleri (F.Ritter) A.E.Hoffm., Cact. Fl. Silvestre Chile: 182. 1989
Neoporteria curvispina var. engleri, Cact. Fl. Silvestre Chile: 182. 1989
is new combination for Horridocactus engleri in Succulenta (Netherlands) 1959: 76. 1959