| Chamaesyce adhaerens | Euphorbia adhaerens (Small) Jabl. |
| Chamaesyce albomarginata | Euphorbia albomarginata Torr. & Gray |
| Chamaesyce astyla | Euphorbia astyla Englem. ex Boiss. |
| Chamaesyce aureola | Euphorbia melanadenia Torr. & A.Gray |
| Chamaesyce cinerascens | Euphorbia cinerascens Engelm. |
| Chamaesyce deltoidea | Euphorbia deltoidea Engelm. ex Chapm. |
| Chamaesyce fendleri | Euphorbia fendleri Torr. & A.Gray |
| Chamaesyce chaetocalyx | Euphorbia chaetocalyx (Boiss.) Tidestr. |
| Chamaesyce jejuna | Euphorbia jejuna M.C.Johnst. & Warnock |
| Chamaesyce livida | Euphorbia livida E.Mey. ex Boiss. |
| Chamaesyce melanadenia | Euphorbia melanadenia Torr. & A.Gray |
| Chamaesyce parishii | Euphorbia parishii Greene |