Coryphantha scheeri var. uncinata L.D.Benson in Cact. Succ. J. (Los Angeles) 41: 234. 1969
Coryphantha scheeri var. uncinata in Cact. Succ. J. (Los Angeles) 41: 234. 1969
is basionym for Coryphantha muehlenpfordtii subsp. uncinata in Kakteen And. Sukk. 47: 98. 1996
is basionym for Coryphantha robustispina subsp. uncinata in Cactaceae Consensus Init. 6: 18. 1998
Holotype: United States of America, Texas, vicinity of El Paso, rocky hillsides in [Chihuahuan] desert, alt. 1200 m, Sep 1912, E. Stearns 452 (US: US00115590) https://plants.jstor.org/stable/10.5555/al.ap.specimen.us00115590