| Name | Rhynchospora capitellata var. discutiens (Clarke ex Britton) S. F. Blake |
| Authorship | (Clarke ex Britton) S. F. Blake |
| Rank | Variety |
| Placed in | Rhynchospora capitellata (Michaux) Vahl |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhynchospora capitellata var. discutiens (Clarke ex Britton) S. F. Blake |
| Identification made in | 1917 (1) |