| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| SCRE5 | Scirpus retroflexus Poir. | Eleocharis retroflexa | Cyperaceae
|
| SCRE4 | Scirpus retrofractus L. | Cyperus retrofractus | Cyperaceae
|
| SCRON | Scirpus robustus Pursh var. novae-angliae (Britt.) Beetle | Schoenoplectus novae-angliae | Cyperaceae
|
| SCRO | Scirpus robustus Pursh | Schoenoplectus robustus | Cyperaceae
|
| SCRO7 | Scirpus rockii K�kenth. | Schoenoplectus juncoides | Cyperaceae
|
| SCRO3 | Scirpus rollandii Fern. | Trichophorum pumilum | Cyperaceae
|
| SCRO6 | Scirpus rostellatus Torr. | Eleocharis rostellata | Cyperaceae
|
| SCRU11 | Scirpus rubiginosus Beetle p.p. | Schoenoplectus acutus var. occidentalis | Cyperaceae
|
| SCRU4 | Scirpus rubricosus Fern. | Scirpus cyperinus | Cyperaceae
|
| SCRU5 | Scirpus rubrotinctus Fern. | Scirpus microcarpus | Cyperaceae
|
| SCRUN | Scirpus rufus (Huds.) Schrad. var. neogaeus Fern. | Blysmus rufus | Cyperaceae
|
| SCRU2 | Scirpus rufus (Huds.) Schrad. | Blysmus rufus | Cyperaceae
|
| SCSA2 | Scirpus saximontanus Fern. | Schoenoplectus saximontanus | Cyperaceae
|
| SCSC7 | Scirpus schaffneri Boeckl. | Bulbostylis schaffneri | Cyperaceae
|
| SCSC13 | Scirpus scheuchzeri Bruegger 1882, non Vitman | Schoenoplectus carinatus | Cyperaceae
|
| SCSC8 | Scirpus schoenoides Retz. | Fimbristylis schoenoides | Cyperaceae
|
| SCSC9 | Scirpus scirpoideus (Michx.) T. Koyama | Fuirena scirpoidea | Cyperaceae
|
| SCSE11 | Scirpus setaceus L. | Isolepis setacea | Cyperaceae
|
| SCSML | Scirpus smithii Gray var. levisetus Fassett | Schoenoplectus smithii | Cyperaceae
|
| SCSMS | Scirpus smithii Gray var. setosus Fern. | Schoenoplectus smithii | Cyperaceae
|
| SCSMW | Scirpus smithii Gray var. williamsii (Fern.) T. Beetle | Schoenoplectus purshianus | Cyperaceae
|
| SCSM | Scirpus smithii Gray | Schoenoplectus smithii | Cyperaceae
|
| SCSP3 | Scirpus spadiceus auct. non L. | Fimbristylis thermalis | Cyperaceae
|
| SCST6 | Scirpus steinmetzii Fern. | Schoenoplectus steinmetzii | Cyperaceae
|
| SCST4 | Scirpus stenophyllus Ell. | Bulbostylis stenophylla | Cyperaceae
|
| SCSUC | Scirpus subterminalis Torr. var. cylindricus (Torr.) T. Koyama | Schoenoplectus novae-angliae | Cyperaceae
|
| SCSU | Scirpus subterminalis Torr. | Schoenoplectus subterminalis | Cyperaceae
|
| SCSUH | Scirpus supinus L. var. hallii (Gray) Gray | Schoenoplectus hallii | Cyperaceae
|
| SCSUS | Scirpus supinus L. var. saximontanus (Fern.) T. Koyama | Schoenoplectus saximontanus | Cyperaceae
|
| SCSU4 | Scirpus supinus auct. non L. | Schoenoplectus hallii | Cyperaceae
|
| SCSY80 | Scirpus sylvaticus L. p.p. | Scirpus expansus | Cyperaceae
|
| SCTA80 | Scirpus tabernaemontani K.C. Gmel. | Schoenoplectus tabernaemontani | Cyperaceae
|
| SCTE9 | Scirpus tenuiculmis (Sheldon) Soj�k | Schoenoplectus heterochaetus | Cyperaceae
|
| SCTO | Scirpus torreyi Olney | Schoenoplectus torreyi | Cyperaceae
|
| SCTR3 | Scirpus triqueter L. | Schoenoplectus triqueter | Cyperaceae
|
| SCTU4 | Scirpus tuberosus auct. non Desf. | Schoenoplectus glaucus | Cyperaceae
|
| SCUN5 | Scirpus uniglumis Link | Eleocharis uniglumis | Cyperaceae
|
| SCUNH | Scirpus uninodis (Delile) Boiss. var. hallii (Gray) Beetle | Schoenoplectus hallii | Cyperaceae
|
| SCVA2 | Scirpus vahlii Lam. | Fimbristylis vahlii | Cyperaceae
|
| SCVAC | Scirpus validus Vahl var. creber Fern. | Schoenoplectus tabernaemontani | Cyperaceae
|
| SCVA | Scirpus validus Vahl | Schoenoplectus tabernaemontani | Cyperaceae
|
| SCVE | Scirpus verecundus Fern. | Trichophorum planifolium | Cyperaceae
|
| SCWI3 | Scirpus wilkensii Schuyler | Schoenoplectus erectus ssp. raynalii | Cyperaceae
|
| SCWO | Scirpus wolfii Gray | Eleocharis wolfii | Cyperaceae
|
| SCIRP | Scirpus L. | bulrush | Cyperaceae
|
| SCAN2 | Scleranthus annuus L. | German knotgrass | Caryophyllaceae
|
| SCPE5 | Scleranthus perennis L. | perennial knawel | Caryophyllaceae
|
| SCLER | Scleranthus L. | German knotgrass | Caryophyllaceae
|
| SCBA2 | Scleria baldwinii (Torr.) Steud. | Baldwin's nutrush | Cyperaceae
|
| SCBI2 | Scleria biflora Roxb. | nutrush | Cyperaceae
|
| SCBO3 | Scleria bourgeaui Boeckl. | Bourgeau's nutrush | Cyperaceae
|
| SCBR6 | Scleria bracteata Cav. | bracted nutrush | Cyperaceae
|
| SCBR8 | Scleria brittonii Core ex Small | Scleria ciliata var. glabra | Cyperaceae
|
| SCCA5 | Scleria canescens Boeckl. | Scleria scindens | Cyperaceae
|
| SCCA24 | Scleria caricina Benth. | nutrush | Cyperaceae
|
| SCCI6 | Scleria ciliaris Nees | nutrush | Cyperaceae
|
| SCCIC | Scleria ciliata Michx. var. ciliata | fringed nutrush | Cyperaceae
|
| SCCIC2 | Scleria ciliata Michx. var. curtissii (Britt.) Kessler | Scleria pauciflora var. curtissii | Cyperaceae
|
| SCCIE | Scleria ciliata Michx. var. elliottii (Chapman) Fern. | Scleria ciliata var. ciliata | Cyperaceae
|
| SCCIG | Scleria ciliata Michx. var. glabra (Chapman) Fairey | fringed nutrush | Cyperaceae
|
| SCCI | Scleria ciliata Michx. | fringed nutrush | Cyperaceae
|
| SCCO16 | Scleria costata (Britt.) Small | Scleria baldwinii | Cyperaceae
|
| SCCU2 | Scleria cubensis Boeckl. | Cuban nutrush | Cyperaceae
|
| SCCU3 | Scleria curtissii Britt. | Scleria pauciflora var. curtissii | Cyperaceae
|
| SCDI3 | Scleria distans Poir. | Scleria hirtella | Cyperaceae
|
| SCDO | Scleria doradoensis Britt. | Scleria hirtella | Cyperaceae
|
| SCEG | Scleria eggersiana Boeckl. | Eggers' nutrush | Cyperaceae
|
| SCEL4 | Scleria elliottii Chapman | Scleria ciliata var. ciliata | Cyperaceae
|
| SCFL3 | Scleria flaccida Steud. | Scleria triglomerata | Cyperaceae
|
| SCGE | Scleria georgiana Core | slenderfruit nutrush | Cyperaceae
|
| SCGR4 | Scleria gracilis Ell., non L.C. Rich. | Scleria georgiana | Cyperaceae
|
| SCGR3 | Scleria grisebachii C.B. Clarke | Scleria eggersiana | Cyperaceae
|
| SCHA7 | Scleria havanensis Britt. | Havana nutrush | Cyperaceae
|
| SCHI3 | Scleria hirtella Sw. | riverswamp nutrush | Cyperaceae
|
| SCIN6 | Scleria interrupta L.C. Rich. | Scleria hirtella | Cyperaceae
|
| SCLA15 | Scleria lacustris C. Wright | lakeshore nutrush | Cyperaceae
|
| SCLA12 | Scleria laevis Willd. | nutrush | Cyperaceae
|
| SCLA13 | Scleria laxa R.Br. | nutrush | Cyperaceae
|
| SCLI3 | Scleria lithosperma (L.) Sw. | Florida Keys nutrush | Cyperaceae
|
| SCME | Scleria melaleuca Reichenb. ex Schlecht. & Cham. | Scleria pterota var. melaleuca | Cyperaceae
|
| SCMI3 | Scleria microcarpa Nees ex Kunth | tropical nutrush | Cyperaceae
|
| SCMI4 | Scleria minor W. Stone | slender nutrush | Cyperaceae
|
| SCMI5 | Scleria mitis Berg. | cortadora | Cyperaceae
|
| SCMU8 | Scleria muehlenbergii Steud. | Muehlenberg's nutrush | Cyperaceae
|
| SCNI3 | Scleria nitida Muhl. ex Willd. | Scleria triglomerata | Cyperaceae
|
| SCNO4 | Scleria novae-hollandiae Boeck. | nutrush | Cyperaceae
|
| SCNU2 | Scleria nutans Willd. ex Kunth | Scleria hirtella | Cyperaceae
|
| SCOL2 | Scleria oligantha Michx. | littlehead nutrush | Cyperaceae
|
| SCPAC | Scleria pauciflora Muhl. ex Willd. var. caroliniana (Willd.) Wood | Carolina nutrush | Cyperaceae
|
| SCPAC2 | Scleria pauciflora Muhl. ex Willd. var. curtissii (Britt.) Fairey | Curtiss' nutrush | Cyperaceae
|
| SCPAG | Scleria pauciflora Muhl. ex Willd. var. glabra Chapman | Scleria ciliata var. glabra | Cyperaceae
|
| SCPAK | Scleria pauciflora Muhl. ex Willd. var. kansana Fern. | Scleria pauciflora var. pauciflora | Cyperaceae
|
| SCPAP2 | Scleria pauciflora Muhl. ex Willd. var. pauciflora | fewflower nutrush | Cyperaceae
|
| SCPA5 | Scleria pauciflora Muhl. ex Willd. | fewflower nutrush | Cyperaceae
|
| SCPO8 | Scleria polycarpa Boeck. | nutrush | Cyperaceae
|
| SCPTM | Scleria pterota K. Presl ex C.B. Clarke var. melaleuca (Reichenb. ex Schlecht. & Cham.) Standl. | cortadora blanca | Cyperaceae
|
| SCPTP | Scleria pterota K. Presl ex C.B. Clarke var. pterota | cortadora blanca | Cyperaceae
|
| SCPT | Scleria pterota K. Presl ex C.B. Clarke | cortadora blanca | Cyperaceae
|
| SCPU7 | Scleria purdiei C.B. Clarke | Purdie's nutrush | Cyperaceae
|
| SCREP | Scleria reticularis Michx. var. pubescens Britt. | Scleria muehlenbergii | Cyperaceae
|
| SCREP2 | Scleria reticularis Michx. var. pumila Britt. | Scleria reticularis | Cyperaceae
|