Mammillaria pseudofuscata Quehl in Monatsschr. Kakteenk. 24: 114. 1914 Mammillaria pseudofuscata Quehl in Monatsschr. Kakteenk. 24: 114. 1914is correct spelling for Mammillaria psendofuscata Quehl in Monatsschr. Kakteenk. 24: 114. 1914Taxon for this nameMammillaria pseudofuscata Quehl