Lophophora echinata var. lutea (Rouhier) Croizat in Desert Pl. Life 16: 44. 1944

is new combination for Echinocactus williamsii var. luteus Rouhier in Trav. Lab. Matiere Méd. Ecole Super. Pharm. Paris 17: 62. 1927

Taxon for this name