Mammillaria schiedeana subsp. giselae (Mart.-Aval. & Glass) Lüthy in Kakteen And. Sukk. 49(8): 184. 1998
Mammillaria schiedeana subsp. giselae in Kakteen And. Sukk. 49(8): 184. 1998
is new combination for Mammillaria giselae in Bradleya 15: 73. 1997
Mammillaria schiedeana subsp. giselae in Kakteen And. Sukk. 49(8): 184. 1998