| Name | Chamaesyce vallis-mortae Millspaugh |
| Authorship | Millspaugh |
| Rank | Species |
| Placed in | Chamaesyce Gray |
| GUID | urn:lsid:ipni.org:names:55459-2 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Chamaesyce vallis-mortae Millspaugh |
| Identification made in | [no date] (4), 1999 (1) |