Echinocactus lutens Britton & Rose in Contr. U.S. Natl. Herb. 16: 259. 1913
Echinocactus lutens in Contr. U.S. Natl. Herb. 16: 259. 1913
is new combination for Echinocereus luteus in Contr. U.S. Natl. Herb. 16: 239. 1913
non Echinocereus luteus in Contr. U.S. Natl. Herb. 16: 239. 1913