Echinocereus boyce-thompsonii var. bonkerae (Thornber & Bonker) Peebles in Leafl. W. Bot. 5(12): 192. 1949
Echinocereus boyce-thompsonii var. bonkerae in Leafl. W. Bot. 5(12): 192. 1949
is new combination for Echinocereus bonkerae, Fantast. Clan: 71–73. 1932