Echinocereus rigidissimus subsp. rubispinus
Echinocereus rigidissimus subsp. rubispinus in Cactaceae Consensus Init. 3: 9. 1997 sec. Guzmán Cruz & al. 20031
- ≡Echinocereus pectinatus var. rubispinus in Kakteen And. Sukk. 33(2): 35. 1982 syn. sec. Guzmán Cruz & al. 20031
- ≡Echinocereus rigidissimus var. rubispinus in Kew Mag. 1: 175. 1984 syn. sec. ???