Rebutia minuscula K.Schum. in Monatsschr. Kakteenk. 5: 102. 1895
Rebutia minuscula in Monatsschr. Kakteenk. 5: 102. 1895
Lectotype (designated by Hjertson, M. 2005: 201): [icon] illustration of a flowering plant in the protologue in Monatsschr. Kakteenk. 5: 103. 1895 https://www.biodiversitylibrary.org/page/14171366
Rebutia minuscula in Monatsschr. Kakteenk. 5: 102. 1895