| Name | Euphorbia arkansana var. missouriensis Norton |
| Authorship | Norton |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Euphorbia arkansana Engelmann & A. Gray |
| GUID | urn:lsid:ipni.org:names:101304-2 |
| Citation | 1906 Rep. (Annual) Missouri Bot. Gard. 11: 103 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Euphorbia arkansana var. missouriensis Norton |
| Identification made in | 1899 (2), 1955 (2), 2009 (2) |