- Rhynchospora alba
- Rhynchospora alba (L.) Vahl
- Rhynchospora caduca
- Rhynchospora caduca Elliott
- Rhynchospora candida
- Rhynchospora candida (Nees) Boeckeler
- Rhynchospora capillacea
- Rhynchospora capillacea Torr.
- Rhynchospora capitellata
- Rhynchospora capitellata (Michx.) Vahl
- Rhynchospora caucasica
- Rhynchospora caucasica Palla
- Rhynchospora cephalantha
- Rhynchospora cephalantha A.Gray
- Rhynchospora chapmanii
- Rhynchospora chapmanii M.A.Curtis
- Rhynchospora chinensis
- Rhynchospora chinensis Nees & Meyen
- Rhynchospora colorata
- Rhynchospora colorata (L.) H.Pfeiff.
- Rhynchospora colorata (L.) H. Pfeiff.
- Rhynchospora corniculata
- Rhynchospora corniculata (Lam.) A.Gray
- Rhynchospora corniculata (Lam.) A. Gray
- Rhynchospora corymbosa
- Rhynchospora corymbosa (L.) Britton
- Rhynchospora elliottii
- Rhynchospora elliottii A.Dietr.
- Rhynchospora elliottii A. Dietr.
- Rhynchospora eximia
- Rhynchospora eximia (Nees) Boeckeler
- Rhynchospora exserta
- Rhynchospora exserta C.B.Clarke
- Rhynchospora fascicularis
- Rhynchospora fascicularis (Michx.) Vahl
- Rhynchospora floridensis
- Rhynchospora floridensis (Britton ex Small) H.Pfeiff.
- Rhynchospora fusca
- Rhynchospora fusca (L.) W.T.Aiton
- Rhynchospora glomerata
- Rhynchospora glomerata (L.) Vahl
- Rhynchospora gracilenta
- Rhynchospora gracilenta A.Gray
- Rhynchospora gracilenta A. Gray
- Rhynchospora gracillima
- Rhynchospora gracillima Thwaites
- Rhynchospora heterochaeta
- Rhynchospora heterochaeta S.T.Blake
- Rhynchospora holoschoenoides
- Rhynchospora holoschoenoides (Rich.) Herter
- Rhynchospora inexpansa
- Rhynchospora inexpansa (Michx.) Vahl
- Rhynchospora inexpansa (Michx.) Vahl
- Rhynchospora latifolia
- Rhynchospora latifolia (Baldwin) W. W. Thomas
- Rhynchospora nivea
- Rhynchospora nivea Boeckeler
- Rhynchospora nivea Boeck.
- Rhynchospora pallida
- Rhynchospora pallida M.A.Curtis
- Rhynchospora pterochaeta
- Rhynchospora pterochaeta F.Muell.
- Rhynchospora recognita
- Rhynchospora recognita (Gale) Kral
- Rhynchospora rubra
- Rhynchospora rubra (Lour.) Makino
- Rhynchospora rugosa
- Rhynchospora rugosa (Vahl) Gale subsp. brownii (Roem. & Schult.) T.Koyama
- Rhynchospora rugosa (Vahl) Gale
- Rhynchospora sp.
- Rhynchospora sp. Koongarra (B.L. Rice 2486)
- Rhynchospora sp. Koongarra (B.L. Rice 2486) NT Herbarium
- Rhynchospora sp. koongarra (b.l.rice 2486)
- Rhynchospora sp. koongarra (b.l.rice 2486) N.T.Herbarium
- Rhynchospora triflora
- Rhynchospora triflora Vahl
- Rhynchospora unknown