Neoporteria wagenknechtii var. microsperma (F.Ritter) A.E.Hoffm., Cact. Fl. Silvestre Chile: 174. 1989
Neoporteria wagenknechtii var. microsperma, Cact. Fl. Silvestre Chile: 174. 1989
is new combination for Neoporteria microsperma in Succulenta (Netherlands) 1963: 6. 1963