Sclerocactus brevihamatus subsp. tobuschii (W.T.Marshall) N.P.Taylor in Piante Grasse 15(1): 8. 1995
Sclerocactus brevihamatus subsp. tobuschii in Piante Grasse 15(1): 8. 1995
is new combination for Mammillaria tobuschii in Saguaroland Bull. 6: 79. 1952
Sclerocactus brevihamatus subsp. tobuschii in Piante Grasse 15(1): 8. 1995