| Name | Rhynchospora corymbosa var. chacoensis (Barros) Svenson |
| Authorship | (Barros) Svenson |
| Rank | Variety |
| Placed in | Rhynchospora corymbosa (Linnaeus) Britton |
| Citation | 1948 Lilloa 14: 73 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhynchospora corymbosa var. chacoensis (Barros) Svenson |
| Identification made in | 2019 (1) |