Bulbostylis tenuifolia (Rudge) J.F. MacBr. in Field Mus. Nat. Hist., Bot. Ser. 11: 5. 1931 sec. González-Elizondo & al. 2018
- =Scirpus tenuifolius Rudge, Pl. Guian.: 18. t. 22. 1805 syn. sec. Diego & González 2008
- =Isolepis asperula Kunth, Nov. gen. sp. 1: 221. 1815 syn. sec. Diego & González 2008
- =Isolepis bufonia Kunth, Nov. gen. sp. 1: 222. 1815 syn. sec. Diego & González 2008
- =Scirpus asperulus (Kunth) Poir., Encycl. Suppl. 5: 104. 1817 syn. sec. Diego & González 2008
- =Scirpus bufonius (Kunth) Poir., Encycl. Suppl. 5: 105. 1817 syn. sec. Diego & González 2008
- =Oncostylis tenuifolia (Rudge) Nees, Fl. bras. 2 parte 1: 83-84. 1842 syn. sec. Diego & González 2008
- =Bulbostylis capillaris var. tenuifolia (Rudge) C.B. Clarke, Symb. antill. 2: 89. 1900 syn. sec. Diego & González 2008
- =Stenophyllus tenuifolius (Rudge) Britton in Bull. Torrey Bot. Club 43: 448. 1916 syn. sec. Diego & González 2008
- =Fimbristylis bufonia (Kunth) Alain in Bull. Torrey Bot. Club 92: 291. 1965 syn. sec. Diego & González 2008