| 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) | 
