Tephrocactus silvestris (Backeb.) Backeb., Kaktus-ABC: 109, 410. 1936 ["1935"]
Tephrocactus silvestris, Kaktus-ABC: 109, 410. 1936 ["1935"]
is new combination for Opuntia silvestris in Cact. J. (Croydon) 1: 7. 1932
Tephrocactus silvestris, Kaktus-ABC: 109, 410. 1936 ["1935"]
Taxon for this name