Euphorbia theriaca L. C. Wheeler, Rhodora 43: 242; pl. 660A. 1941 sec. Steinmann 2025
- =Euphorbia theriaca L.C. Wheeler var. theriaca, Rhodora 43(508). 1941 syn. sec. Martínez-Gordillo & al. 2002
- =Chamaesyce theriaca (L.C. Wheeler) Shinners, Field & Lab. 17. 1949 syn. sec. Martínez-Gordillo & al. 2006