| River Bulrush | Bolboschoenus | fluviatilis | | 18 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| New England Bulrush | Bolboschoenus | novae-angliae | | 18 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Sturdy Bulrush | Bolboschoenus | robustus | | 208 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Dense-tufted Hairsedge | Bulbostylis | capillaris | | 60 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Rough Hairsedge | Bulbostylis | hispidula | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Thicket Sedge | Carex | abscondita | | 80 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Lesser Pond Sedge | Carex | acutiformis | | 11 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Summer Sedge | Carex | aestivalis | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Glomerate Sedge | Carex | aggregata | | 29 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Broad-winged Sedge | Carex | alata | | 32 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| White-tinged Sedge (albicans) | Carex | albicans var. albicans | | 28 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Emmon's Sedge | Carex | albicans var. emmonsii | | 55 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| White-tinged Sedge | Carex | albicans | | 91 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Green-white Sedge | Carex | albolutescens | | 87 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| White Bear Sedge | Carex | albursina | | 26 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Eastern Narrow-leaved Sedge | Carex | amphibola | | 116 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Yellow-fruited Sedge | Carex | annectens | | 91 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Appalachian Sedge | Carex | appalachica | | 11 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Black Sedge | Carex | arctata | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Sand Sedge | Carex | arenaria | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Hay Sedge | Carex | argyrantha | | 11 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Prickly Bog Sedge (atlantica) | Carex | atlantica ssp. atlantica | | 23 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Howe's Sedge | Carex | atlantica ssp. capillacea | | 19 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Prickly Bog Sedge | Carex | atlantica | | 82 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Southern Sedge | Carex | austrina | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bailey's Sedge | Carex | baileyi | | 20 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Barratt's Sedge | Carex | barrattii | | 25 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Eastern Woodland Sedge | Carex | blanda | | 127 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Short-beaked Sedge | Carex | brevior | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Brome-like Sedge | Carex | bromoides ssp. bromoides | | 18 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Brownish Sedge | Carex | brunnescens | | 7 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Button Sedge | Carex | bullata | | 55 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bush's Sedge | Carex | bushii | | 18 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Buxbaum's Sedge | Carex | buxbaumii | | 21 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Silvery Sedge (canescens) | Carex | canescens var. canescens | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Remote Silvery Sedge | Carex | canescens var. disjuncta | | 9 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Silvery Sedge | Carex | canescens | | 17 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Carey's Sedge | Carex | careyana | | 14 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Carolina Sedge | Carex | caroliniana | | 29 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Oval-leaf Sedge | Carex | cephalophora | | 107 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Collins' Sedge | Carex | collinsii | | 32 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Fibrousroot Sedge | Carex | communis var. communis | | 27 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Long-haired Sedge | Carex | comosa | | 142 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Hirsute Sedge | Carex | complanata | | 134 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Soft Fox Sedge | Carex | conjuncta | | 28 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Openfield Sedge | Carex | conoidea | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Prune-fruit Sedge | Carex | corrugata | | 9 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Symmetrical Fringed Sedge | Carex | crinita var. brevicrinis | | 46 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Fringed Sedge (crinita) | Carex | crinita var. crinita | | 40 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Fringed Sedge | Carex | crinita | | 339 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Crested Sedge | Carex | cristatella | | 8 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Davis's Sedge | Carex | davisii | | 15 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| White-edged Sedge (debilis) | Carex | debilis var. debilis | | 24 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Flexuous White-edged Sedge | Carex | debilis var. rudgei | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| White-edged Sedge | Carex | debilis | | 114 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Cypressknee Sedge | Carex | decomposita | | 11 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Lesser Panicled Sedge | Carex | diandra | | 2 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Woodland Sedge (digitalis) | Carex | digitalis var. digitalis | | 13 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Long-spiked Slender Wood Sedge | Carex | digitalis var. macropoda | | 7 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Woodland Sedge | Carex | digitalis | | 45 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Distant Sedge | Carex | distans | | 2 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Separated Sedge | Carex | divisa | | 8 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bristle-leaved Sedge | Carex | eburnea | | 2 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Star Sedge | Carex | echinata ssp. echinata | | 11 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Emory's Sedge | Carex | emoryi | | 14 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Coastal Sedge | Carex | exilis | | 16 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Long-bracted Sedge | Carex | extensa | | 69 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Fescue Sedge | Carex | festucacea | | 36 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Hammock Sedge | Carex | fissa var. fissa | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Northern Long Sedge | Carex | folliculata | | 169 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Frank's Sedge | Carex | frankii | | 328 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Fraser's Sedge | Carex | fraseriana | | 19 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Giant Sedge | Carex | gigantea | | 51 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Southern Waxy Sedge | Carex | glaucescens | | 14 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Blue Sedge | Carex | glaucodea | | 63 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Loose-flowered Sedge | Carex | gracilescens | | 39 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Graceful Sedge | Carex | gracillima | | 50 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Limestone Meadow Sedge | Carex | granularis | | 28 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Heavy Sedge | Carex | gravida | | 7 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Gray's Sedge | Carex | grayi | | 113 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Inflated Narrow-leaved Sedge | Carex | grisea | | 30 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Nodding Sedge | Carex | gynandra | | 57 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Cloud Sedge | Carex | haydenii | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Fuzzy Wuzzy Sedge | Carex | hirsutella | | 58 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Hammer Sedge | Carex | hirta | | 8 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Pubescent Sedge | Carex | hirtifolia | | 38 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Hitchcock's Sedge | Carex | hitchcockiana | | 20 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Marsh Straw Sedge | Carex | hormathodes | | 27 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Shoreline Sedge | Carex | hyalinolepis | | 27 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bottlebrush Sedge | Carex | hystericina | | 20 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Inland Sedge | Carex | interior | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Greater Bladder Sedge | Carex | intumescens | | 475 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| James's Sedge | Carex | jamesii | | 41 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Cypress Swamp Sedge | Carex | joorii | | 50 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Japanese Sedge | Carex | kobomugi | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Kral's Sedge | Carex | kraliana | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Hairy Sedge | Carex | lacustris | | 70 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Smooth-sheathed Sedge | Carex | laevivaginata | | 112 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Woollyfruit Sedge | Carex | lasiocarpa | | 2 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Spreading Sedge | Carex | laxiculmis | | 31 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Spreading Sedge (copulata) | Carex | laxiculmis var. copulata | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Spreading Sedge (laxiculmis) | Carex | laxiculmis var. laxiculmis | | 20 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Broad Loose-flowered Sedge | Carex | laxiflora | | 61 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Leavenworth's Sedge | Carex | leavenworthii | | 38 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bristly-stalked Sedge | Carex | leptalea | | 25 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Harper's Bristly-stalked Sedge | Carex | leptalea var. harperi | | 7 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bristly-stalked Sedge (leptalea) | Carex | leptalea var. leptalea | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Nerveless Woodland Sedge | Carex | leptonervia | | 12 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Southern Long Sedge | Carex | lonchocarpa | | 61 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Long's Sedge | Carex | longii | | 96 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Louisiana Sedge | Carex | louisianica | | 56 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Blue Ridge Sedge | Carex | lucorum | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| False Hop Sedge | Carex | lupuliformis | | 23 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Hop Sedge | Carex | lupulina | | 440 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Sallow Sedge | Carex | lurida | | 1112 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Mead's Sedge | Carex | meadii | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Midland Sedge | Carex | mesochorea | | 31 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Michaux's Sedge | Carex | michauxiana | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Mitchell's Sedge | Carex | mitchelliana | | 24 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Troublesome Sedge | Carex | molesta | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Frightful Sedge | Carex | molestiformis | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Muhlenberg's Sedge | Carex | muehlenbergii | | 35 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Muhlenberg's Nerveless Sedge | Carex | muehlenbergii var. enervis | | 9 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Muhlenberg's Sedge (muhlenbergii) | Carex | muehlenbergii var. muehlenbergii | | 8 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Paira's Sedge | Carex | muricata | | 2 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Black-edged Sedge | Carex | nigromarginata | | 74 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Greater Straw Sedge | Carex | normalis | | 32 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Oklahoma Sedge | Carex | oklahomensis | | 42 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Richwoods Sedge | Carex | oligocarpa | | 22 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Sharpscale Sedge | Carex | oxylepis | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Longstalk Sedge | Carex | pedunculata | | 13 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Woolly Sedge | Carex | pellita | | 40 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Pennsylvania Sedge | Carex | pensylvanica | | 93 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Flat-spike Sedge | Carex | planispicata | | 17 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Plantainleaf Sedge | Carex | plantaginea | | 24 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Broad-leaved Sedge | Carex | platyphylla | | 80 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Variable Sedge | Carex | polymorpha | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Drooping Sedge | Carex | prasina | | 59 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Necklace Sedge | Carex | projecta | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Eastern Star Sedge | Carex | radiata | | 82 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Reflexed Sedge | Carex | retroflexa | | 22 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Reznicek's Sedge | Carex | reznicekii | | 13 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Richardson's Sedge | Carex | richardsonii | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Rosy Sedge | Carex | rosea | | 58 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Eastern Rough Sedge | Carex | scabrata | | 16 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Broom Sedge | Carex | scoparia | | 102 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Weak Stellate Sedge | Carex | seorsa | | 41 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Short's Sedge | Carex | shortiana | | 35 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Beach Sedge | Carex | silicea | | 18 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bur-reed Sedge | Carex | sparganioides | | 32 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Prickly Sedge | Carex | spicata | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Squarrose Sedge | Carex | squarrosa | | 103 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Awlfruit Sedge | Carex | stipata | | 109 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Stalkgrain Sedge | Carex | stipata var. maxima | | 16 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Awfruit Sedge (stipata) | Carex | stipata var. stipata | | 21 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Eastern Star Sedge | Carex | straminea | | 19 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Walter's Sedge | Carex | striata | | 41 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Lined Sedge | Carex | striatula | | 33 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Tussock Sedge | Carex | stricta | | 103 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bent Sedge | Carex | styloflexa | | 36 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Swan's Sedge | Carex | swanii | | 249 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Quill Sedge | Carex | tenera | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Rigid Sedge | Carex | tetanica var. canbyi | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Texas Sedge | Carex | texensis | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Shaved Sedge | Carex | tonsa | | 63 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Parachute Sedge | Carex | tonsa var. rugosperma | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Shaved Sedge (tonsa) | Carex | tonsa var. tonsa | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Twisted Sedge | Carex | torta | | 48 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Blunt Broom Sedge | Carex | tribuloides var. tribuloides | | 111 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Hairy-fruit Sedge | Carex | trichocarpa | | 15 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Three-seeded Sedge | Carex | trisperma | | 7 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Tuckerman's Sedge | Carex | tuckermanii | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Cattail Sedge | Carex | typhina | | 148 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Parasol Sedge | Carex | umbellata | | 34 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Northwest Territory Sedge | Carex | utriculata | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Darkgreen Sedge | Carex | venusta | | 19 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Blister Sedge | Carex | vesicaria | | 7 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Velvet Sedge | Carex | vestita | | 16 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Ribbed Sedge | Carex | virescens | | 61 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Fox Sedge | Carex | vulpinoidea | | 257 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Willdenow's Sedge | Carex | willdenowii | | 69 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Pretty Sedge | Carex | woodii | | 27 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Smooth Sawgrass | Cladium | mariscoides | | 29 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Taperleaf Flatsedge | Cyperus | acuminatus | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Flatsedge | Cyperus | bipartitus | | 42 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Pasture Spikesedge | Cyperus | brevifolioides | | 109 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Poorland Flatsedge | Cyperus | compressus | | 36 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Baldwin's Flatsedge | Cyperus | croceus | | 8 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Toothed Flatsedge | Cyperus | dentatus | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Umbrella Flatsedge | Cyperus | diandrus | | 2 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Smallflower Umbrella Sedge | Cyperus | difformis | | 45 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Globe Flatsedge | Cyperus | echinatus | | 212 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Redroot Flatsedge | Cyperus | erythrorhizos | | 58 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Yellow Nutsedge | Cyperus | esculentus var. leptostachyus | | 219 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Fern Flatsedge | Cyperus | filicinus | | 45 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Southeastern Flatsedge | Cyperus | filiculmis | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Yellow Flatsedge | Cyperus | flavescens | | 45 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| White-edge Flatsedge | Cyperus | flavicomus | | 14 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Brown Flatsedge | Cyperus | fuscus | | 7 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Gray's Flatsedge | Cyperus | grayi | | 16 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Haspan Flatsedge | Cyperus | haspan | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Low Spikesedge | Cyperus | hortensis | | 27 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Houghton's Flatsedge | Cyperus | houghtonii | | 10 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bristly Flatsedge | Cyperus | hystricinus | | 18 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Ricefield Flatsedge | Cyperus | iria | | 184 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Many-flowered Flatsedge | Cyperus | lancastriensis | | 48 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Sand Flatsedge | Cyperus | lupulinus ssp. macilentus | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Great Plains Flatsedge | Cyperus | lupulinus ssp. lupulinus | | 89 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Asian Flatsedge | Cyperus | microiria | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Fragrant Flatsedge | Cyperus | odoratus | | 79 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Plukenet's Flatsedge | Cyperus | plukenetii | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Many-spiked Flatsedge | Cyperus | polystachyos | | 26 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Marsh Flatsedge | Cyperus | pseudovegetus | | 115 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Reflexed Flatsedge | Cyperus | refractus | | 29 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Rough Flatsedge | Cyperus | retrofractus | | 25 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Pine Barren Flatsedge | Cyperus | retrorsus | | 67 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Nutgrass | Cyperus | rotundus | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bearded Flatsedge | Cyperus | squarrosus | | 47 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Straw-colored Flatsedge | Cyperus | strigosus | | 412 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Small-flowered Halfchaff Sedge | Cyperus | subsquarrosus | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Three-way Sedge | Dulichium | arundinaceum | | 277 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Needle Spikerush | Eleocharis | acicularis | | 28 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| White Spikerush | Eleocharis | albida | | 27 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Creeping Spikerush | Eleocharis | ambigens | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Flat-stem Spikerush | Eleocharis | compressa var. compressa | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Engelmann's Spikerush | Eleocharis | engelmannii | | 28 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Jointed Spikerush | Eleocharis | equisetoides | | 13 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bald Spikerush | Eleocharis | erythropoda | | 8 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Saltmarsh Spikerush | Eleocharis | halophila | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Matted Spikerush | Eleocharis | intermedia | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Black-fruit Spikerush | Eleocharis | melanocarpa | | 17 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Small-fruited Spikerush | Eleocharis | microcarpa var. filiculmis | | 5 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Blunt Spikerush | Eleocharis | obtusa | | 66 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bright Green Spikerush | Eleocharis | olivacea | | 16 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Common Spikerush | Eleocharis | palustris | | 15 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Dwarf Spikerush | Eleocharis | parvula | | 12 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Square-stemmed Spikerush | Eleocharis | quadrangulata | | 69 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Robbins's Spikerush | Eleocharis | robbinsii | | 12 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Beaked Spikerush | Eleocharis | rostellata | | 30 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| False-winged Slender Spikerush | Eleocharis | tenuis var. pseudoptera | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Spikerush (tenuis) | Eleocharis | tenuis var. tenuis | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Warty Slender Spikerush | Eleocharis | tenuis var. verrucosa | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Spikerush | Eleocharis | tenuis | | 31 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Twisted Spikerush | Eleocharis | tortilis | | 58 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Three-angle Spikerush | Eleocharis | tricostata | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Cone-cup Spikerush | Eleocharis | tuberculosa | | 28 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Cottongrass | Eriophorum | gracile | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Tawny Cottongrass | Eriophorum | virginicum | | 53 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Forked Fimbry | Fimbristylis | annua | | 19 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Fimbry | Fimbristylis | autumnalis | | 61 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Carolina Fimbry | Fimbristylis | caroliniana | | 7 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Marsh Fimbry | Fimbristylis | castanea | | 100 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Harper's Fimbry | Fimbristylis | perpusilla | | 40 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Dwarf Umbrella-sedge | Fuirena | pumila | | 38 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Hairy Umbrella-sedge | Fuirena | squarrosa | | 46 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| White Beaksedge | Rhynchospora | alba | | 60 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Brownish Beaksedge | Rhynchospora | capitellata | | 106 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bunched Beaksedge | Rhynchospora | cephalantha | | 11 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Loose-headed Beaksedge | Rhynchospora | chalarocephala | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Short-bristled Beaksedge | Rhynchospora | corniculata | | 93 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Brown Beaksedge | Rhynchospora | fusca | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Globe Beaksedge | Rhynchospora | globularis var. globularis | | 12 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Clustered Beaksedge | Rhynchospora | glomerata | | 20 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Beaksedge | Rhynchospora | gracilenta | | 25 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Nodding Beaksedge | Rhynchospora | inexpansa | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Narrowfruit Horned Beaksedge | Rhynchospora | inundata | | 10 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Tall Horned Beaksedge | Rhynchospora | macrostachya | | 76 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Mid-Atlantic Beakrush | Rhynchospora | mesoatlantica | | 6 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Small-headed Beaksedge | Rhynchospora | microcephala | | 9 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Short-beaked Beaksedge | Rhynchospora | nitens | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Feather-bristled Beaksedge | Rhynchospora | oligantha | | 2 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Pale Beaksedge | Rhynchospora | pallida | | 1 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Few-flowered Beaksedge | Rhynchospora | rariflora | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Round-headed Beaksedge | Rhynchospora | recognita | | 17 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Long-beaked Beaksedge | Rhynchospora | scirpoides | | 11 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Torrey's Beaksedge | Rhynchospora | torreyana | | 13 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bog Bulrush | Schoenoplectiella | mucronata | | 51 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Weak-stalked Bulrush (purshiana) | Schoenoplectiella | purshiana var. purshiana | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Williams's Weak-stalked Bulrush (williamsii) | Schoenoplectiella | purshiana var. williamsii | | 0 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Weak-stalked Bulrush | Schoenoplectiella | purshiana | | 41 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Smith's Bulrush | Schoenoplectiella | smithii var. setosa | | 15 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Chairmaker's Bulrush | Schoenoplectus | americanus | | 85 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Canby's Bulrush | Schoenoplectus | etuberculatus | | 2 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Common Threesquare | Schoenoplectus | pungens var. pungens | | 106 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Swaying Bulrush | Schoenoplectus | subterminalis | | 4 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Soft-stemmed Bulrush | Schoenoplectus | tabernaemontani | | 190 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Torrey's Bulrush | Schoenoplectus | torreyi | | 8 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Barbed-bristle Bulrush | Scirpus | ancistrochaetus | | 2 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Green Bulrush | Scirpus | atrovirens | | 43 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Woolgrass | Scirpus | cyperinus | | 636 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Woodland Bulrush | Scirpus | expansus | | 12 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Georgia Bulrush | Scirpus | georgianus | | 110 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Mosquito Bulrush | Scirpus | hattorianus | | 7 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Rufous Bulrush | Scirpus | pendulus | | 48 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Leafy Bulrush | Scirpus | polyphyllus | | 118 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Slender Nutrush | Scleria | minor | | 9 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Muhlenberg's Nutrush | Scleria | muehlenbergii | | 20 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Little-headed Nutrush | Scleria | oligantha | | 3 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Few-flowered Nutrush | Scleria | pauciflora | | 47 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Netted Nutrush | Scleria | reticularis | | 36 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Whip Nutrush | Scleria | triglomerata | | 70 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Low Nutrush | Scleria | verticillata | | 9 | Cyperaceae | Poales | Magnoliopsida | Plantae |
| Bashful Bulrush | Trichophorum | planifolium | | 25 | Cyperaceae | Poales | Magnoliopsida | Plantae |