Echinocactus is a genus of cacti in the subfamily Cactoideae.
- Homalocephala
- Homalocephala parryi
- Homalocephala polycephala
- Homalocephala texensis
References
- Innes C, Wall B (1995). Cacti, Succulents and Bromeliads. Cassell & The Royal Horticultural Society.
External links
- Jepson Manual Treatment: Echinocactus
- Cactus-mall.com: "Lost Peyotls"