Rhynchospora vulcani Boeckeler in Linnaea 37: 638-639. 1873 sec. González-Elizondo & al. 2018
- =Rhynchospora hoffmannii Boeckeler in Linnaea 37: 637-638. 1873 syn. sec. Diego & González 2008
- =Rhynchospora lechleri Steud. ex Boeckeler in Linnaea 37: 633-634. 1873 syn. sec. Diego & González 2008
- =Rhynchospora ecuadorensis C.B. Clarke in Bot. Jahrb. Syst. 34 (Beibl. 78): 5. 1904 syn. sec. Diego & González 2008