Acanthocalycium thionanthum subsp. glaucum (F.Ritter) Lodé in Cact.-Avent. Int. 98(Suppl.): 2. 2013
Acanthocalycium thionanthum subsp. glaucum in Cact.-Avent. Int. 98(Suppl.): 2. 2013
is new combination for Acanthocalycium glaucum in Taxon 13(4): 143. 1964