Ariocarpus retusus var. furfuraceus (S.Watson) G.Frank in Krainz, Kakteen 63: CVIIIb. 1975
Ariocarpus retusus var. furfuraceus in Krainz, Kakteen 63: CVIIIb. 1975
is new combination for Mammillaria furfuracea in Proc. Amer. Acad. Arts 25: 150. 1890
Ariocarpus retusus var. furfuraceus in Krainz, Kakteen 63: CVIIIb. 1975
Taxon for this name