Mammillaria carnea var. subtetragona (A.Dietr.) Backeb., Cactaceae 5: 3145. 1961
Mammillaria carnea var. subtetragona, Cactaceae 5: 3145. 1961
is new combination for Mammillaria subtetragona in Allg. Gartenzeitung 8: 169. 1840
Mammillaria carnea var. subtetragona, Cactaceae 5: 3145. 1961
Taxon for this name