| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Rhynchospora knieskernii J.Carey | P. D. Knieskern s.n. | United States of America. New Jersey. | isotype | 51401 |  |
| Rhynchospora knieskernii J.Carey | P. D. Knieskern s.n. s.d. | United States of America. New Jersey. | isotype | 51402 |  |
| Rhynchospora elatior var. brevispiculosa (Kük.) A.C.Araújo | R. P. Belém 1909 08 Dec 1965 | Brazil. Goiás. Margem da Rodovia Brasilia-Anápolis. | 661401 |  | |
| Rhynchospora shaferi Britton | J. A. Shafer 3797 02 Feb 1910 | Cuba. Oriente. Loma Mensura. Base 680 m alt., to summit 1000 m alt. | type | 51505 |  |
| Rhynchospora panicoides Nees ex L.B.Sm. | A. P. Duarte 341 05 Oct 1956 | Brazil. Rio de Janeiro. Corcovado. | 623011 |  | |
| Rhynchospora panicoides Nees ex L.B.Sm. | B. D. Sucre 6033 with et D. Dunn, 30 Nov 1969 | Brazil. Rio de Janeiro. Estado da Guanabara, Restinga de Jacarepaguá, restinga aberta e subarbustiva situada do lado oeste da Pedra de Itauna. | 623012 |  | |
| Rhynchospora panicoides Nees ex L.B.Sm. | B. D. Sucre 9910 19 Mar 1973 | Brazil. Rio de Janeiro. Estado da Guanabara, vertente sul da serra das Piabas. | 623016 |  | |
| Rhynchospora polyantha Steud. | R. M. Klein 2161 11 Jan 1957 | Brazil. Santa Catarina. Piloes, Palhoça. | 612959 |  | |
| Rhynchospora chapmanii M.A.Curtis | A. W. Chapman s.n. | United States of America. Florida. | possible type | 51377 |  |
| Rhynchospora hitchcockii Gand. | A. S. Hitchcock 418 Jul 1900-Aug 1900 | United States of America. Florida. Lee Co. Myers. | probable isotype | 51548 |  |
| Rhynchospora auriculata Boeckeler | P. W. Lund s.n. Feb 1834 | Brazil. In palud. Socoba. | syntype | 532830 |  |
| Rhynchospora polyantha Steud. | R. Reitz 6105 with Klein, 10 Jan 1958 | Brazil. Santa Catarina. Morro do Iquerorim, Campo Alegre. | 636723 |  | |
| Rhynchospora polyantha Steud. | J. C. Lindeman 2555 with J. H. de Haas, 27 Sep 1966 | Brazil. Paraná. 20 km E. of Curitiba. | 636722 |  | |
| Rhynchospora megalocarpa A.Gray | W. Baldwin s.n. | United States of America. Florida. Duval Co. Fort George Island. | type | 51405 |  |
| Rhynchospora holoschoenoides (Rich.) Herter | F. C. Hoehne 613 29 Sep 1917 | Brazil. São Paulo. Butantan, S.Paulo. | 589543 |  | |
| Rhynchospora holoschoenoides (Rich.) Herter | L. Riedel 914 with B. Luschnath, 1931-1835 | Brazil. Brasilia. | 589545 |  | |
| Rhynchospora holoschoenoides (Rich.) Herter | J. C. Lindeman 2610 with J. H. de Haas, 03 Oct 1966 | Brazil. Paraná. Back of coastal levee near Praia do Leste. | 589527 |  | |
| Rhynchospora holoschoenoides (Rich.) Herter | G. F. J. Pabst 9103 21 Jan 1968 | Brazil. São Paulo. Angatuba, Reserva Estadual. | 589539 |  | |
| Rhynchospora holoschoenoides (Rich.) Herter | H. A. Weddell 598 1843 | Brazil. Rio de Janeiro. Environs de Rio-Janeiro. | 589546 |  | |
| Rhynchospora holoschoenoides (Rich.) Herter | A. Usteri 16 Jul 1905 | Brazil. São Paulo. Sao Paulo. | 589544 |  |