| Name | Rhynchospora capitellata var. controversa S. F. Blake |
| Authorship | S. F. Blake |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Rhynchospora capitellata (Michaux) Vahl |
| GUID | urn:lsid:ipni.org:names:220219-2 |
| Citation | 1918 Rhodora 20: 28 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Rhynchospora capitellata var. controversa S. F. Blake |
| Identification made in | 1917 (1), 1991 (1), 2017 (1) |
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