| Name | Rhynchospora rubra var. hirticeps Kükenthal | 
| Authorship | Kükenthal | 
| Rank | Variety | 
| Placed in | Rhynchospora rubra (Loureiro) Makino | 
| Citation | 1949 Bot. Jahrb. Syst. 74: 495 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Rhynchospora rubra var. hirticeps Kükenthal | 
| Identification made in | [no date] (1) |