| Name | Xyris caroliniana f. flaccida Fernald |
| Authorship | Fernald |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Xyris caroliniana Walter |
| GUID | urn:lsid:ipni.org:names:270003-2 |
| Citation | 1940 Rhodora 42: 433 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Xyris caroliniana f. flaccida Fernald |
| Identification made in | [no date] (5), 2024 (1) |