Rhynchospora marisculus Lindl. & Nees ex Nees, Fl. bras. 2 parte 1: 142. 1842 sec. González-Elizondo & al. 2018
- =Rhynchospora tenuiseta C. Wright in Anales Acad. Ci. Méd. Habana 8: 83. 1871 syn. sec. Diego & González 2008
- =Rhynchospora weberbaueri C.B. Clarke in Bot. Jahrb. Syst. 37: 518. 1906 syn. sec. The Plant List 2013
- =Rhynchospora borinquensis Britton in Bull. Torrey Bot. Club 42: 387-388. 1915 syn. sec. Diego & González 2008
- =Dichromena weberbaueri (C.B. Clarke) J.F. Macbr. in Publ. Field Mus. Nat. Hist., Bot. Ser. 4(7): 167. 1929 syn. sec. The Plant List 2013