Taxa: Coryphantha robustispina, Coryphantha robustispina ssp. robustispina (Cactus robustispinus, Mammillaria robustispina, Coryphantha scheeri var. robustispina, Coryphantha muehlenpfordtii ssp. robustispina, Coryphantha muehlenpfordtii var. robustispina), Coryphantha robustispina ssp. scheeri (Coryphant
... (show all)ha scheeri, Coryphantha muehlenpfordtii, Coryphantha neoscheeri, Mammillaria scheeri, Coryphantha scheeri var. scheeri, Coryphantha scheeri var. uncinata, Coryphantha scheeri var. valida, Coryphantha robustispina ssp. uncinata)