Notocactus neohorstii var. juvenaliformis (F.Ritter) S.Theun. in Succulenta (Netherlands) 60: 142. 1981
Notocactus neohorstii var. juvenaliformis in Succulenta (Netherlands) 60: 142. 1981
is new combination for Wigginsia horstii var. juvenaliformis, Kakteen Südamerika 1: 200. 1979