Echinocereus gentryi Clover in Bull. Torrey Bot. Club 65(8): 565. f. 1–3. 1936
Echinocereus gentryi in Bull. Torrey Bot. Club 65(8): 565. f. 1–3. 1936
is basionym for Echinocereus scheeri subsp. gentryi in Cactaceae Consensus Init. 3: 9. 1997
is basionym for Echinocereus scheeri var. gentryi in Kew Mag. 1: 154. 1984