| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| RHED2 | Rhynchospora edisoniana Britt. ex Small | Rhynchospora microcarpa | Cyperaceae
|
| RHEL | Rhynchospora elliottii A. Dietr. | Elliott's beaksedge | Cyperaceae
|
| RHEL2 | Rhynchospora elongata Boeckl. | Rhynchospora uniflora | Cyperaceae
|
| RHEX | Rhynchospora eximia (Nees) Boeckl. | Florida beaksedge | Cyperaceae
|
| RHFAD | Rhynchospora fascicularis (Michx.) Vahl var. distans (Michx.) Chapman | fascicled beaksedge | Cyperaceae
|
| RHFAF | Rhynchospora fascicularis (Michx.) Vahl var. fascicularis | fascicled beaksedge | Cyperaceae
|
| RHFA | Rhynchospora fascicularis (Michx.) Vahl | fascicled beaksedge | Cyperaceae
|
| RHFE | Rhynchospora fernaldii Gale | Fernald's beaksedge | Cyperaceae
|
| RHFI | Rhynchospora filifolia Gray | threadleaf beaksedge | Cyperaceae
|
| RHFI2 | Rhynchospora filiformis Vahl | Rhynchospora podosperma | Cyperaceae
|
| RHFL2 | Rhynchospora floridensis (Britt. ex Small) H. Pfeiffer | Florida whitetop | Cyperaceae
|
| RHFU | Rhynchospora fusca (L.) Ait. f. | brown beaksedge | Cyperaceae
|
| RHFU2 | Rhynchospora fuscoides C.B. Clarke | Rhynchospora filifolia | Cyperaceae
|
| RHGI | Rhynchospora gigantea Link | giant beaksedge | Cyperaceae
|
| RHGL4 | Rhynchospora glauca Vahl | Rhynchospora rugosa ssp. rugosa | Cyperaceae
|
| RHGLG | Rhynchospora globularis (Chapman) Small var. globularis | globe beaksedge | Cyperaceae
|
| RHGLP | Rhynchospora globularis (Chapman) Small var. pinetorum (Britt. & Small ex Small) Gale | globe beaksedge | Cyperaceae
|
| RHGLR | Rhynchospora globularis (Chapman) Small var. recognita Gale | Rhynchospora recognita | Cyperaceae
|
| RHGLS | Rhynchospora globularis (Chapman) Small var. saxicola (Small) K�kenth. | Stone Mountain beaksedge | Cyperaceae
|
| RHGL2 | Rhynchospora globularis (Chapman) Small | globe beaksedge | Cyperaceae
|
| RHGLA | Rhynchospora glomerata (L.) Vahl var. angusta Gale | Rhynchospora glomerata | Cyperaceae
|
| RHGLC | Rhynchospora glomerata (L.) Vahl var. capitellata (Michx.) K�kenth. | Rhynchospora capitellata | Cyperaceae
|
| RHGLL | Rhynchospora glomerata (L.) Vahl var. leptocarpa Chapman ex Britt. | Rhynchospora capitellata | Cyperaceae
|
| RHGLM | Rhynchospora glomerata (L.) Vahl var. minor Britt. | Rhynchospora capitellata | Cyperaceae
|
| RHGLP2 | Rhynchospora glomerata (L.) Vahl var. paniculata Chapman | Rhynchospora glomerata | Cyperaceae
|
| RHGL3 | Rhynchospora glomerata (L.) Vahl | clustered beaksedge | Cyperaceae
|
| RHGR | Rhynchospora gracilenta Gray | slender beaksedge | Cyperaceae
|
| RHGR2 | Rhynchospora grayi Kunth | Gray's beaksedge | Cyperaceae
|
| RHHA2 | Rhynchospora harperi Small | Harper's beaksedge | Cyperaceae
|
| RHHA | Rhynchospora harveyi W. Boott | Harvey's beaksedge | Cyperaceae
|
| RHHI | Rhynchospora hispidula (Vahl) Boeckl. | hairy beaksedge | Cyperaceae
|
| RHHO | Rhynchospora holoschoenoides (L.C. Rich.) Herter | fly beaksedge | Cyperaceae
|
| RHIN3 | Rhynchospora indianolensis Small | Rhynchospora scutellata | Cyperaceae
|
| RHIN4 | Rhynchospora inexpansa (Michx.) Vahl | nodding beaksedge | Cyperaceae
|
| RHIN5 | Rhynchospora intermedia (Chapman) Britt. | pinebarren beaksedge | Cyperaceae
|
| RHIN6 | Rhynchospora intermixta C. Wright | Rhynchospora pusilla | Cyperaceae
|
| RHIN7 | Rhynchospora inundata (Oakes) Fern. | narrowfruit horned beaksedge | Cyperaceae
|
| RHJA3 | Rhynchospora jamaicensis Britt. | Jamaican beaksedge | Cyperaceae
|
| RHKN | Rhynchospora knieskernii Carey | Knieskern's beaksedge | Cyperaceae
|
| RHKU | Rhynchospora kunthii Nees ex Kunth | Kunth's beaksedge | Cyperaceae
|
| RHLA7 | Rhynchospora latifolia (Baldw. ex Ell.) Thomas | sandswamp whitetop | Cyperaceae
|
| RHLA6 | Rhynchospora lavarum Gaud. | Rhynchospora rugosa ssp. lavarum | Cyperaceae
|
| RHLE2 | Rhynchospora leptocarpa (Chapman ex Britt.) Small | Rhynchospora capitellata | Cyperaceae
|
| RHLIB | Rhynchospora lindeniana Griseb. var. bahamensis (Britt.) Gale | Bahama beaksedge | Cyperaceae
|
| RHLI | Rhynchospora lindeniana Griseb. | Bahama beaksedge | Cyperaceae
|
| RHLO | Rhynchospora longiflora K. Presl | longleaf beaksedge | Cyperaceae
|
| RHLU2 | Rhynchospora luquillensis Britt. | Rhynchospora alba | Cyperaceae
|
| RHMA5 | Rhynchospora macra (C.B. Clarke ex Britt.) Small | large beaksedge | Cyperaceae
|
| RHMAC | Rhynchospora macrostachya Torr. ex Gray var. colpophila Fern. & Gale | Rhynchospora macrostachya | Cyperaceae
|
| RHMA6 | Rhynchospora macrostachya Torr. ex Gray | tall horned beaksedge | Cyperaceae
|
| RHMA8 | Rhynchospora marisculus Nees ex Lindley & Nees | Caribbean beaksedge | Cyperaceae
|
| RHME | Rhynchospora megalocarpa Gray | sandyfield beaksedge | Cyperaceae
|
| RHMI6 | Rhynchospora micrantha Vahl | tropical beaksedge | Cyperaceae
|
| RHMI7 | Rhynchospora microcarpa Baldw. ex Gray | southern beaksedge | Cyperaceae
|
| RHMI8 | Rhynchospora microcephala (Britt.) Britt. | smallhead beaksedge | Cyperaceae
|
| RHMI5 | Rhynchospora miliacea (Lam.) Gray | millet beaksedge | Cyperaceae
|
| RHMI9 | Rhynchospora mixta Britt. | mingled beaksedge | Cyperaceae
|
| RHNEC | Rhynchospora nervosa (Vahl) Boeckl. ssp. ciliata (Vahl) T. Koyama | yerba de estrella | Cyperaceae
|
| RHNE | Rhynchospora nervosa (Vahl) Boeckl. | yerba de estrella | Cyperaceae
|
| RHNI | Rhynchospora nitens (Vahl) Gray | shortbeak beaksedge | Cyperaceae
|
| RHNI2 | Rhynchospora nivea Boeckl. | showy whitetop | Cyperaceae
|
| RHOB2 | Rhynchospora obliterata Gale | Rhynchospora recognita | Cyperaceae
|
| RHOD | Rhynchospora odorata C. Wright ex Griseb. | fragrant beaksedge | Cyperaceae
|
| RHOLB | Rhynchospora oligantha Gray var. breviseta Gale | Rhynchospora breviseta | Cyperaceae
|
| RHOL | Rhynchospora oligantha Gray | featherbristle beaksedge | Cyperaceae
|
| RHPA | Rhynchospora pallida M.A. Curtis | pale beaksedge | Cyperaceae
|
| RHPA4 | Rhynchospora patula Gray | Rhynchospora caduca | Cyperaceae
|
| RHPEV | Rhynchospora perplexa Britt. var. virginiana Fern. | Rhynchospora perplexa | Cyperaceae
|
| RHPE2 | Rhynchospora perplexa Britt. | pineland beaksedge | Cyperaceae
|
| RHPI2 | Rhynchospora pinetorum Britt. & Small ex Small | Rhynchospora globularis var. pinetorum | Cyperaceae
|
| RHPL4 | Rhynchospora planckii Britt. | Rhynchospora harveyi | Cyperaceae
|
| RHPL6 | Rhynchospora pleiantha (K�kenth.) Gale | coastal beaksedge | Cyperaceae
|
| RHPL3 | Rhynchospora plumosa Ell. | plumed beaksedge | Cyperaceae
|
| RHPO2 | Rhynchospora podosperma C. Wright ex Sauvalle | bird beaksedge | Cyperaceae
|
| RHPR3 | Rhynchospora prolifera Small | Rhynchospora mixta | Cyperaceae
|
| RHPU4 | Rhynchospora punctata Ell. | dotted beaksedge | Cyperaceae
|
| RHPU5 | Rhynchospora pusilla (Sw.) Griseb., non Chapman ex M.A. Curtis | Rhynchospora berteroi | Cyperaceae
|
| RHPU3 | Rhynchospora pusilla Chapman ex M.A. Curtis | fairy beaksedge | Cyperaceae
|
| RHRA3 | Rhynchospora racemosa C. Wright ex Sauvalle | racemed beaksedge | Cyperaceae
|
| RHRAM | Rhynchospora radicans (Schlecht. & Cham.) H. Pfeifer ssp. microcephala (Bertero ex Spreng.) Thomas | tropical whitetop | Cyperaceae
|
| RHRA4 | Rhynchospora radicans (Schlecht. & Cham.) H. Pfeifer | tropical whitetop | Cyperaceae
|
| RHRA7 | Rhynchospora rappiana Small | Rhynchospora ciliaris | Cyperaceae
|
| RHRA2 | Rhynchospora rariflora (Michx.) Ell. | fewflower beaksedge | Cyperaceae
|
| RHRE8 | Rhynchospora recognita (Gale) Kral | globe beaksedge | Cyperaceae
|
| RHRU5 | Rhynchospora rubra Domin | rhynchospora | Cyperaceae
|
| RHRU2 | Rhynchospora rufa (Nees) Boeckl. | red beaksedge | Cyperaceae
|
| RHRUL | Rhynchospora rugosa (Vahl) Gale ssp. lavarum (Gaud.) T. Koyama | claybank beaksedge | Cyperaceae
|
| RHRUR | Rhynchospora rugosa (Vahl) Gale ssp. rugosa | claybank beaksedge | Cyperaceae
|
| RHRU3 | Rhynchospora rugosa (Vahl) Gale | claybank beaksedge | Cyperaceae
|
| RHSA | Rhynchospora saxicola Small | Rhynchospora globularis var. saxicola | Cyperaceae
|
| RHSC4 | Rhynchospora schoenoides (Ell.) Wood | Rhynchospora elliottii | Cyperaceae
|
| RHSC5 | Rhynchospora scirpoides (Torr.) Gray | longbeak beaksedge | Cyperaceae
|
| RHSC2 | Rhynchospora sclerioides Hook. & Arn. | Hawai'i beaksedge | Cyperaceae
|
| RHSC7 | Rhynchospora scutellata Griseb. | Indianola beaksedge | Cyperaceae
|
| RHSE5 | Rhynchospora semiplumosa Gray | Rhynchospora plumosa | Cyperaceae
|
| RHSE2 | Rhynchospora setacea (Berg.) Boeckl. | Rhynchospora tenerrima | Cyperaceae
|
| RHSM2 | Rhynchospora smallii Britt. | Rhynchospora capillacea | Cyperaceae
|
| RHSO2 | Rhynchospora sola Gale | Cuban beaksedge | Cyperaceae
|
| RHSO | Rhynchospora solitaria Harper | onespike beaksedge | Cyperaceae
|
| RHSP | Rhynchospora spiciformis Hbd. | Rhynchospora chinensis ssp. spiciformis | Cyperaceae
|
| RHST | Rhynchospora stellata (Lam.) Griseb. | Rhynchospora colorata | Cyperaceae
|