Euphorbia gymnoclada Boiss.
| Expeditions of the California Academy of Sciences to the Gulf of California in 1921. The botany (the vascular plants) Ivan Murray Johnston (1924) Proceedings of the California Academy of Sciences 12: 951-1218 | |
| Studies in the flora of Lower California and adjacent islands Alice Eastwood (1929) Proceedings of the California Academy of Sciences 18: 393-484 |