| Name | Euphorbia lutulenta (Croizat) Oudejans |
| Authorship | (Croizat) Oudejans |
| Rank | Species |
| Placed in | Euphorbia Linnaeus |
| Citation | 1989 Phytologia 67: 47 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Euphorbia lutulenta (Croizat) Oudejans |
| Identification made in | [no date] (1), 1945 (1) |