aka  Brittonrosea confusa, Brittonrosea violaciflora, Echinocactus arrigens, Echinocactus crispatus, Echinocactus dichroacanthus, Echinocactus flexispinus, Echinocactus lamellosus, Echinocactus lancifer, Echinocactus violaciflorus, Echinofossulocactus arrigens, Echinofossulocactus confusus, Echinofossulocactus crispatus, Echinofossulocactus crispatus var. xiphacanthus, Echinofossulocactus dichroacanthus, Echinofossulocactus flexispinus, Echinofossulocactus guerraianus, Echinofossulocactus kellerianus, Echinofossulocactus lamellosus, Echinofossulocactus lancifer, Echinofossulocactus multiareolatus, Echinofossulocactus violaciflorus, Echinofossulocactus xiphacanthus, Efossus confusus, Ferocactus crispatus, Stenocactus arrigens, Stenocactus confusus, Stenocactus crispatus var. xiphacanthus, Stenocactus dichroacanthus, Stenocactus dichroacanthus var. violaciflorus, Stenocactus lamellosus, Stenocactus lancifer, Stenocactus violaciflorus
Cactus / Succulent
Height:  4"-6" 
Width:  4"-6" 
sun - bright shade occasional - drought tolerant dry in winter View Plant 
aka  Brittonrosea lloydii, Brittonrosea multicostata, Echinocactus lloydii, Echinocactus multicostatus, Echinofossulocactus erectocentrus, Echinofossulocactus lloydii, Echinofossulocactus multicostatus, Echinofossulocactus multicostatus, Echinofossulocactus multicostatus, Efossus lloydii, Efossus multicostatus, Stenocactus lloydii, Brain Cactus
Cactus / Succulent
View Plant 
aka  Brittonrosea phyllacantha, Echinocactus phyllacanthus, Echinofossulocactus tricuspidatus, Efossus phyllacanthus, Ferocactus phyllacanthus, Stenocactus tricuspidatus
Cactus / Succulent
Height:  2"-4" 
Width:  4"-6" 
sun low - drought tolerant View Plant 
aka  Brittonrosea albata, Echinocactus albatus, Echinocactus vaupelianus, Echinofossulocactus albatus, Echinofossulocactus vaupelianus, Efossus albatus, Ferocactus vaupelianus, Stenocactus albatus, Stenocactus rectispinus
Cactus / Succulent
View Plant 
aka  Echinocactus heteracanthus, Echinofossulocactus boedekerianus, Echinofossulocactus densispinus, Echinofossulocactus ochoterenanus, Echinofossulocactus parksianus, Echinofossulocactus rosasianus, Stenocactus bustamantei, Stenocactus lexarzai
Cactus / Succulent, Groundcover
sun occasional - low dry in winter View Plant