| Name | Ceratoschoenus macrostachyus var. patulus Chapman |
| Authorship | Chapman |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Ceratoschoenus macrostachyus (Torrey ex A. Gray) A. Gray |
| GUID | urn:lsid:ipni.org:names:52550-2 |
| Citation | 1860 Fl. South. U.S. 529 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ceratoschoenus macrostachyus var. patulus Chapman |
| Identification made in | [no date] (1) |