Fendler's Sandmat, Fendler's Spurge: Euphorbia fendleri (Synonyms: Chamaesyce fendleri, Euphorbia fendleri var typica)
Red-gland Spurge: Euphorbia melanadenia (Synonym: Chamaesyce melanadenia)
Smallseed Sandmat: Euphorbia polycarpa (Synonyms: Chamaesyce polycarpa, Chamaesyce polycarpa var. hirtella, Euphorbia polycarpa var. hirtella)
Mojave Spurge: Euphorbia schizoloba (Synonyms: Euphorbia incisa, Euphorbia incisa var. incisa, Euphorbia incisa var. mollis, Tithymalus incisa var. incisa, Tithymalus incisa var. mollis)