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Cabombaceae

• Brasenia schreberi — watershield

Cactaceae

• Escobaria vivipara — foxtail pincushion cactus
• Opuntia fragilis — brittle prickly-pear

• Opuntia humifusa — eastern prickly-pear
• Opuntia polyacantha — panhandle prickly-pear

Callitrichaceae

• Callitriche hermaphroditica — autumnal water-starwort
• Callitriche heterophylla — large water-starwort
• Callitriche marginata — winged water-starwort

• Callitriche palustris — vernal water-starwort
• Callitriche terrestris — terrestrial water-starwort

Calypogeiaceae

• Calypogeia fissa
• Calypogeia integristipula
• Calypogeia muelleriana
• Calypogeia neesiana

• Calypogeia sphagnicola
• Calypogeia suecica
• Calypogeia trichomanis
• Metacalypogeia schusterana

Campanulaceae

• Asyneuma prenanthoides — California harebell
• Campanula aparinoides — marsh bellflower
• Campanula aurita — Yukon bellflower
• Campanula lasiocarpa — common Alaska harebell
• Campanula parryi — Parry's northern harebell
• Campanula rotundifolia — American harebell
• Campanula scouleri — Scouler's bellflower
• Campanula uniflora — Arctic harebell
• Campanulastrum americanum — tall bellflower
• Downingia elegans — common downingia
• Downingia laeta — Great Basin downingia

• Githopsis specularioides — common blue-cup
• Heterocodon rariflorum — western pearl-flower
• Lobelia cardinalis — cardinal-flower
• Lobelia dortmanna — water lobelia
• Lobelia inflata — Indian-tobacco
• Lobelia kalmii — Kalm's lobelia
• Lobelia siphilitica — great blue lobelia
• Lobelia spicata — palespike lobelia
• Lobelia x speciosa
• Triodanis perfoliata — claspingleaf Venus'-looking-glass

Cannabaceae

• Humulus lupulus — common hop

Capparaceae

• Cleome serrulata — bee spiderflower

• Polanisia dodecandra — common clammyweed

Caprifoliaceae

• Diervilla lonicera — northern bush-honeysuckle
• Linnaea borealis — twinflower
• Lonicera caerulea — western honeysuckle
• Lonicera canadensis — American fly-honeysuckle
• Lonicera ciliosa — orange honeysuckle
• Lonicera dioica — mountain honeysuckle
• Lonicera hirsuta — hairy honeysuckle
• Lonicera hispidula — California honeysuckle
• Lonicera involucrata — four-line honeysuckle
• Lonicera oblongifolia — swamp fly-honeysuckle
• Lonicera reticulata — grape honeysuckle
• Lonicera utahensis — Utah honeysuckle
• Lonicera villosa — mountain fly-honeysuckle
• Sambucus nigra — common elderberry
• Sambucus racemosa — red elderberry

• Symphoricarpos albus — snowberry
• Symphoricarpos hesperius — spreading snowberry
• Symphoricarpos occidentalis — northern snowberry
• Symphoricarpos oreophilus — mountain snowberry
• Triosteum angustifolium — yellowleaf tinker's-weed
• Triosteum aurantiacum — coffee tinker's-weed
• Triosteum perfoliatum — perfoliate tinker's-weed
• Viburnum acerifolium — mapleleaf viburnum
• Viburnum edule — squashberry
• Viburnum lantanoides — alderleaf viburnum
• Viburnum lentago — nannyberry
• Viburnum nudum — possum-haw viburnum
• Viburnum opulus — guelder-rose viburnum
• Viburnum rafinesquianum — downy arrowwood
• Viburnum recognitum — northern arrowwood

Caryophyllaceae

• Arenaria capillaris — fescue sandwort
• Arenaria congesta — capitate sandwort
• Arenaria humifusa — creeping sandwort
• Arenaria longipedunculata — low sandwort
• Cerastium alpinum — alpine chickweed
• Cerastium arvense — mouse-ear chickweed
• Cerastium beeringianum — Bering Sea chickweed
• Cerastium brachypodum — mouse-ear chickweed
• Cerastium cerastioides — starwort chickweed
• Cerastium fischerianum — Fischer's chickweed
• Cerastium maximum — great chickweed
• Cerastium nigrescens — black mouse-ear chickweed
• Cerastium nutans — nodding chickweed
• Cerastium regelii — Regel's chickweed
• Dianthus repens — carnation
• Honckenya peploides — seabeach sandwort
• Lychnis alpina — alpine campion
• Minuartia arctica — Arctic stitchwort
• Minuartia austromontana — Columbian stitchwort
• Minuartia biflora — mountain stitchwort
• Minuartia dawsonensis — rock stitchwort
• Minuartia elegans — Ross' stitchwort
• Minuartia groenlandica — mountain sandwort
• Minuartia litorea
• Minuartia macrocarpa — longpod stitchwort
• Minuartia marcescens — serpentine stitchwort
• Minuartia michauxii — Michaux's stitchwort
• Minuartia nuttallii — Nuttall's stitchwort
• Minuartia obtusiloba — alpine stitchwort
• Minuartia pusilla — dwarf stitchwort
• Minuartia rossii — Ross' stitchwort
• Minuartia rubella — boreal stitchwort
• Minuartia stricta — rock sandwort
• Minuartia tenella — slender stitchwort
• Minuartia yukonensis — Yukon stitchwort
• Moehringia lateriflora — grove sandwort
• Moehringia macrophylla — largeleaf sandwort
• Paronychia canadensis — forked nailwort
• Paronychia fastigiata — cluster-stemmed nailwort
• Paronychia sessiliflora — low nailwort
• Sagina caespitosa — tufted pearlwort

• Sagina decumbens — small-flowered pearlwort
• Sagina maxima — sticky-stem pearlwort
• Sagina nivalis — snow pearlwort
• Sagina nodosa — knotted pearlwort
• Sagina saginoides — Arctic pearlwort
• Silene acaulis — moss campion
• Silene antirrhina — sleepy catchfly
• Silene douglasii — Douglas' campion
• Silene drummondii — Drummond's campion
• Silene involucrata — Arctic catchfly
• Silene menziesii — Menzies' pink
• Silene parryi — Parry's campion
• Silene repens — creeping catchfly
• Silene scouleri — Scouler's catchfly
• Silene sorensenis — Sorensen's catchfly
• Silene spaldingii — Spalding's campion
• Silene taimyrensis — Taimyr catchfly
• Silene tayloriae — Peel River catchfly
• Silene uralensis — apetalous catchfly
• Silene x hampeana
• Spergularia canadensis — Canada sandspurry
• Spergularia macrotheca — beach sandspurry
• Spergularia salina — saltmarsh sandspurry
• Stellaria alaskana — Alaska starwort
• Stellaria alsine — trailing stitchwort
• Stellaria americana — American stitchwort
• Stellaria borealis — northern stitchwort
• Stellaria calycantha — northern stitchwort
• Stellaria ciliatosepala — tundra stitchwort
• Stellaria crassifolia — fleshy stitchwort
• Stellaria crassipes — tundra starwort
• Stellaria crispa — crimped stitchwort
• Stellaria dicranoides — matted starwort
• Stellaria humifusa — creeping sandwort
• Stellaria longifolia — longleaf stitchwort
• Stellaria longipes — long-stalked stitchwort
• Stellaria nitens — shiny stitchwort
• Stellaria obtusa — Rocky Mountain stitchwort
• Stellaria umbellata — umbellate stitchwort
• Wilhelmsia physodes — merkia

Catoscopiaceae

• Catoscopium nigritum

Celastraceae

• Celastrus scandens — climbing bittersweet
• Euonymus atropurpureus — wahoo
• Euonymus obovatus — running strawberry-bush

• Euonymus occidentalis — western strawberry-bush
• Paxistima myrsinites — Oregon boxleaf

Cephaloziaceae

• Cephalozia affinis
• Cephalozia bicuspidata
• Cephalozia catenulata
• Cephalozia connivens
• Cephalozia lacinulata
• Cephalozia leucantha
• Cephalozia loitlesbergeri
• Cephalozia lunulifolia
• Cephalozia macounii

• Cephalozia macrostachya
• Cephalozia pleniceps
• Cladopodiella fluitans — cladopodiella moss
• Cladopodiella francisci
• Hygrobiella laxifolia
• Nowellia curvifolia
• Pleuroclada albescens
• Schofieldia monticola

Cephaloziellaceae

• Cephaloziella arctica
• Cephaloziella brinkmani
• Cephaloziella divaricata
• Cephaloziella elachista
• Cephaloziella hampeana
• Cephaloziella massalongi

• Cephaloziella phyllacantha
• Cephaloziella rubella
• Cephaloziella spinigera
• Cephaloziella subdentata
• Cephaloziella turneri
• Cephaloziella uncinata

Ceratophyllaceae

• Ceratophyllum demersum — common hornwort

• Ceratophyllum echinatum — prickly hornwort

Chenopodiaceae

• Atriplex acadiensis — maritime saltbush
• Atriplex alaskensis — Alaska orache
• Atriplex argentea — silvery saltbush
• Atriplex canescens — four-wing saltbush
• Atriplex falcata — sickle saltbush
• Atriplex franktonii — Frankton's saltbush
• Atriplex gardneri — Gardner's saltbush
• Atriplex glabriuscula — northeastern saltbush
• Atriplex gmelinii — Gmelin's saltbush
• Atriplex littoralis — tropical saltbush
• Atriplex nudicaulis — Baltic saltbush
• Atriplex nuttallii — Nuttall's saltbush
• Atriplex patula — halberd-leaf orache
• Atriplex powellii — Powell's saltbush
• Atriplex prostrata — creeping saltbush
• Atriplex subspicata — orache
• Atriplex truncata — wedge-leaved saltbush
• Atriplex x aptera
• Chenopodium album — Missouri goosefoot
• Chenopodium atrovirens — dark goosefoot
• Chenopodium berlandieri — pitseed goosefoot
• Chenopodium capitatum — strawberry goosefoot
• Chenopodium desiccatum — narrowleaf goosefoot
• Chenopodium foggii — Fogg's goosefoot
• Chenopodium fremontii — Fremont's goosefoot
• Chenopodium hians — Hian's goosefoot
• Chenopodium humile — marshland goosefoot
• Chenopodium incanum — mealy goosefoot

• Chenopodium leptophyllum — narrowleaf goosefoot
• Chenopodium pratericola — desert goosefoot
• Chenopodium rubrum — coastblite goosefoot
• Chenopodium salinum — Rocky Mountain goosefoot
• Chenopodium simplex — giantseed goosefoot
• Chenopodium standleyanum — Standley's goosefoot
• Chenopodium subglabrum — smooth goosefoot
• Chenopodium watsonii — Watson's goosefoot
• Corispermum americanum — American bugseed
• Corispermum hookeri — Hooker's bugseed
• Corispermum ochotense — Okhotian bugseed
• Corispermum pallasii — Pallas' bugseed
• Corispermum villosum — hairy bugseed
• Cycloloma atriplicifolium — winged pigweed
• Endolepis dioica — Suckley's saltbush
• Krascheninnikovia lanata — winter-fat
• Monolepis nuttalliana — Nuttall's poverty-weed
• Salicornia borealis — boreal saltwort
• Salicornia maritima — jointed glasswort
• Salicornia rubra — western glasswort
• Salicornia virginica — Virginia glasswort
• Sarcobatus vermiculatus — black greasewood
• Sarcocornia pacifica — Pacific glasswort
• Suaeda calceoliformis — American sea-blite
• Suaeda maritima — herbaceous seepweed
• Suaeda moquinii — shrubby seepweed
• Suaeda rolandii — Rolands' sea-blite
• Suckleya suckleyana — poison suckleya

Cistaceae

• Helianthemum bicknellii — plains frostweed
• Helianthemum canadense — Canada frostweed
• Hudsonia ericoides — golden-heather
• Hudsonia tomentosa — sand-heather
• Lechea intermedia — narrowleaf pinweed

• Lechea maritima — beach pinweed
• Lechea mucronata — hairy pinweed
• Lechea pulchella — Leggett's pinweed
• Lechea stricta — upright pinweed
• Lechea tenuifolia — slender pinweed

Clethraceae

• Clethra alnifolia — coast pepperbush

Cleveaceae

• Athalamia hyalina
• Peltolepis quadrata

• Sauteria alpina

Climaciaceae

• Climacium americanum — tree moss

• Climacium dendroides — tree climacium moss

Clusiaceae

• Hypericum anagalloides — tinker's-penny
• Hypericum ascyron — great St. John's-wort
• Hypericum boreale — northern St. John's-wort
• Hypericum canadense — Canadian St. John's-wort
• Hypericum dissimulatum — disguised St. John's-wort
• Hypericum ellipticum — pale St. John's-wort
• Hypericum gentianoides — orange-grass St. John's-wort
• Hypericum kalmianum — Kalm's St. John's-wort

• Hypericum majus — larger Canadian St. John's-wort
• Hypericum mutilum — slender St. John's-wort
• Hypericum prolificum — shrubby St. John's-wort
• Hypericum punctatum — common St. John's-wort
• Hypericum scouleri — western St. John's-wort
• Hypericum sphaerocarpum — roundfruit St. John's-wort
• Triadenum fraseri — marsh St. John's-wort
• Triadenum virginicum — Virginia marsh St. John's-wort

Commelinaceae

• Tradescantia occidentalis — prairie spiderwort

• Tradescantia ohiensis — Ohio spiderwort

Conocephalaceae

• Conocephalum conicum — snakeskin liverwort

Convolvulaceae

• Calystegia macounii — Macoun's bindweed
• Calystegia sepium — hedge false bindweed
• Calystegia silvatica — shortstalk false bindweed

• Calystegia soldanella — seashore bindweed
• Calystegia spithamaea — low bindweed
• Ipomoea pandurata — bigroot morning-glory

Cornaceae

• Cornus alternifolia — alternate-leaf dogwood
• Cornus amomum — silky dogwood
• Cornus canadensis — Canada bunchberry
• Cornus drummondii — northern roughleaf dogwood
• Cornus florida — flowering dogwood
• Cornus nuttallii — Pacific dogwood
• Cornus racemosa — grey dogwood

• Cornus rugosa — roundleaf dogwood
• Cornus sericea — silky dogwood
• Cornus suecica — Swedish dwarf dogwood
• Cornus unalaschkensis — western dwarf dogwood
• Cornus x acadiensis
• Cornus x slavinii

Crassulaceae

• Crassula aquatica — water pygmyweed
• Crassula connata — sand pygmyweed
• Penthorum sedoides — ditch-stonecrop
• Rhodiola integrifolia — entire-leaf stonecrop
• Rhodiola rosea — roseroot stonecrop
• Sedum divergens — spreading stonecrop

• Sedum lanceolatum — lanceleaf stonecrop
• Sedum oreganum — Oregon stonecrop
• Sedum spathulifolium — Pacific stonecrop
• Sedum stenopetalum — narrowpetal stonecrop
• Sedum villosum — purple stonecrop

Cucurbitaceae

• Echinocystis lobata — wild mock-cucumber
• Marah oreganus — coast manroot

• Sicyos angulatus — one-seed bur-cucumber

Cupressaceae

• Chamaecyparis nootkatensis — Alaska cedar
• Juniperus communis — ground juniper
• Juniperus horizontalis — creeping juniper
• Juniperus scopulorum — Rocky Mountain juniper

• Juniperus virginiana — eastern red-cedar
• Juniperus x fassettii
• Thuja occidentalis — northern white-cedar
• Thuja plicata — western red-cedar

Cuscutaceae

• Cuscuta cephalanthi — buttonbush dodder
• Cuscuta coryli — hazel dodder
• Cuscuta gronovii — Gronovius dodder
• Cuscuta megalocarpa — bigfruit dodder

• Cuscuta pentagona — field dodder
• Cuscuta polygonorum — smartweed dodder
• Cuscuta salina — saltmarsh dodder

Cyperaceae

• Blysmus rufus — red bulrush
• Bulbostylis capillaris — densetuft hairsedge
• Carex adelostoma — circumpolar sedge
• Carex adusta — crowded sedge
• Carex aggregata — glomerate sedge
• Carex alata — broadwing sedge
• Carex albicans — bellow-beaked sedge
• Carex albonigra — black-and-white scale sedge
• Carex albursina — white bear sedge
• Carex alopecoidea — foxtail sedge
• Carex amphibola — eastern narrowleaf sedge
• Carex amplifolia — bigleaf sedge
• Carex anguillata — snail sedge
• Carex annectens — yellowfruit sedge
• Carex anthoxanthea — yellow-flowered sedge
• Carex aperta — Columbian sedge
• Carex appalachica — Appalachian sedge
• Carex aquatilis — water sedge
• Carex arcta — northern clustered sedge
• Carex arctata — black sedge
• Carex arctiformis — polar sedge
• Carex argyrantha — hay sedge
• Carex assiniboinensis — Assiniboine sedge
• Carex atherodes — awned sedge
• Carex athrostachya — jointed-spike sedge
• Carex atlantica — prickly bog sedge
• Carex atratiformis — black sedge
• Carex atrofusca — scorched alpine sedge
• Carex atrosquama — blackened sedge
• Carex aurea — golden-fruit sedge
• Carex backii — Rocky Mountain sedge
• Carex baileyi — Bailey's sedge
• Carex bebbii — Bebb's sedge
• Carex bicknellii — Bicknell's sedge
• Carex bicolor — two-colour sedge
• Carex bigelowii — Bigelow's sedge
• Carex bipartita — Arctic hare's-foot sedge
• Carex blanda — woodland sedge
• Carex bolanderi — Bolander's sedge
• Carex bonanzensis — Yukon sedge
• Carex brevicaulis — shortstem sedge
• Carex brevior — fescue sedge
• Carex breweri — Brewer's sedge
• Carex bromoides — bromelike sedge
• Carex brunnescens — brownish sedge
• Carex bullata — button sedge
• Carex buxbaumii — Buxbaum's sedge
• Carex canescens — hoary sedge
• Carex capillaris — hairlike sedge
• Carex capitata — capitate sedge
• Carex careyana — Carey's sedge
• Carex castanea — chestnut-coloured sedge
• Carex cephaloidea — thinleaf sedge
• Carex cephalophora — ovalleaf sedge
• Carex chordorrhiza — creeping sedge
• Carex circinata — coiled sedge
• Carex communis — fibrous-root sedge
• Carex comosa — bristly sedge
• Carex concinna — beautiful sedge
• Carex concinnoides — northwestern sedge
• Carex conoidea — field sedge
• Carex cordillerana — Cordillera sedge
• Carex crawei — Crawe's sedge
• Carex crawfordii — Crawford's sedge
• Carex crinita — fringed sedge
• Carex cristatella — crested sedge
• Carex crus-corvi — ravenfoot sedge
• Carex cryptolepis — northeastern sedge
• Carex cumulata — clustered sedge
• Carex cusickii — Cusick's sedge
• Carex davisii — Davis' sedge
• Carex debilis — white-edge sedge
• Carex deflexa — short-stemmed sedge
• Carex deweyana — shortscale sedge
• Carex diandra — lesser panicled sedge
• Carex digitalis — slender wood sedge
• Carex disperma — softleaf sedge
• Carex douglasii — Douglas' sedge
• Carex duriuscula — needleleaf sedge
• Carex dutillyi — Dutilly's sedge
• Carex eburnea — ebony sedge
• Carex echinata — little prickly sedge
• Carex eleusinoides — goosegrass sedge
• Carex emoryi — Emory's sedge
• Carex engelmannii — Engelmann's sedge
• Carex exilis — coast sedge
• Carex exsiccata — beaked sedge
• Carex festucacea — fescue sedge
• Carex feta — green-sheath sedge
• Carex filifolia — thread-leaved sedge
• Carex flaccosperma — thinfruit sedge
• Carex flava — yellow sedge
• Carex folliculata — long sedge
• Carex formosa — handsome sedge
• Carex frankii — Frank's sedge
• Carex garberi — elk sedge
• Carex geyeri — Geyer's sedge
• Carex glacialis — alpine sedge
• Carex glareosa — weak-cluster sedge
• Carex gmelinii — Gmelin's sedge
• Carex gracilescens — slender sedge
• Carex gracillima — graceful sedge
• Carex granularis — meadow sedge
• Carex gravida — heavy-fruited sedge
• Carex grayi — Asa Gray's sedge
• Carex grisea — inflated narrowleaf sedge
• Carex gynandra — nodding sedge
• Carex gynocrates — northern bog sedge
• Carex hallii — Hall's sedge
• Carex hassei — Hasse's sedge
• Carex haydeniana — Hayden's sedge
• Carex haydenii — cloud sedge
• Carex heleonastes — Hudson Bay sedge
• Carex hendersonii — Henderson's sedge
• Carex heteroneura — different-nerve sedge
• Carex hirsutella — hirsute sedge
• Carex hirtifolia — pubescent sedge
• Carex hitchcockiana — Hitchcock's sedge
• Carex holostoma — Arctic marsh sedge
• Carex hoodii — Hood's sedge
• Carex hookeriana — Hooker's sedge
• Carex hormathodes — marsh straw sedge
• Carex hostiana — host sedge
• Carex houghtoniana — Houghton's sedge
• Carex houghtoniana — shoreline sedge
• Carex hystericina — porcupine sedge
• Carex illota — smallhead sedge
• Carex incurviformis — seaside sedge
• Carex infirminervia
• Carex inops — longstolon sedge
• Carex interior — inland sedge
• Carex interrupta — green-fruited sedge
• Carex intumescens — greater bladder sedge
• Carex jamesii — Nebraska sedge
• Carex juniperorum — cedar sedge
• Carex krausei — Krause's sedge
• Carex lacustris — lakebank sedge
• Carex laeviconica — smooth-cone sedge
• Carex laeviculmis — smoothstem sedge
• Carex laevivaginata — smooth-sheath sedge
• Carex lapponica — Lapland sedge
• Carex lasiocarpa — slender sedge
• Carex laxa — weak sedge
• Carex laxiculmis — spreading sedge
• Carex laxiflora — looseflower sedge
• Carex leavenworthii — Leavenworth's sedge
• Carex lenticularis — shore sedge
• Carex leptalea — bristly-stalk sedge
• Carex leptonervia — finely-nerve sedge
• Carex leptopoda — short-scaled sedge
• Carex limosa — mud sedge
• Carex livida — livid sedge
• Carex loliacea — rye-grass sedge
• Carex longii — greenish-white sedge
• Carex lucorum — blue ridge sedge
• Carex lugens — spruce-muskeg sedge
• Carex lupuliformis — false hop sedge
• Carex lupulina — hop sedge
• Carex lurida — shallow sedge
• Carex luzulina — woodrush sedge
• Carex lyngbyei — Lyngbye's sedge
• Carex mackenziei — MacKenzie's sedge
• Carex macloviana — Falkland Island sedge
• Carex macrocephala — bighead sedge
• Carex macrochaeta — Alaska largeawn sedge
• Carex magellanica — boreal bog sedge
• Carex marina — sea sedge
• Carex maritima — seaside sedge
• Carex meadii — Mead's sedge
• Carex membranacea — fragile-seed sedge
• Carex merritt-fernaldii — Merritt Fernald's sedge
• Carex mertensii — Merten's sedge
• Carex mesochorea — midland sedge
• Carex michauxiana — Michaux's sedge
• Carex microchaeta — alpine tundra sedge
• Carex microglochin — false uncinia sedge
• Carex microptera — smallwing sedge
• Carex misandra — shortleaf sedge
• Carex misandroides — man-hater sedge
• Carex molesta — troublesome sedge
• Carex muehlenbergii — Mühlenberg's sedge
• Carex muskingumensis — Muskingum sedge
• Carex nardina — nard sedge
• Carex nebrascensis — Nebraska sedge
• Carex nigra — black sedge
• Carex nigricans — black alpine sedge
• Carex nigromarginata — blackedge sedge
• Carex normalis — greater straw sedge
• Carex norvegica — Scandinavian sedge
• Carex novae-angliae — New England sedge
• Carex obnupta — slough sedge
• Carex obtusata — blunt sedge
• Carex oligocarpa — eastern few-fruit sedge
• Carex oligosperma — few-seed sedge
• Carex ormostachya — necklace spike sedge
• Carex ovalis — oval sedge
• Carex pachystachya — thickhead sedge
• Carex paleacea — chaffy sedge
• Carex pallescens — pale sedge
• Carex pansa — sand-dune sedge
• Carex parryana — Parry's sedge
• Carex pauciflora — few-flower sedge
• Carex paysonis — Payson's sedge
• Carex peckii — white-tinged sedge
• Carex pedunculata — longstalk sedge
• Carex pellita — woolly sedge
• Carex pensylvanica — Pennsylvania sedge
• Carex petasata — liddon sedge
• Carex petricosa — rock sedge
• Carex phaeocephala — mountain hare sedge
• Carex piperi — Piper's sedge
• Carex plantaginea — plantain-leaf sedge
• Carex platylepis — broadscale sedge
• Carex platyphylla — broadleaf sedge
• Carex pluriflora — several-flowered sedge
• Carex podocarpa — shortstalk sedge
• Carex praeceptorum — teacher's sedge
• Carex praegracilis — clustered field sedge
• Carex prairea — prairie sedge
• Carex prasina — drooping sedge
• Carex praticola — northern meadow sedge
• Carex preslii — Presl's sedge
• Carex projecta — necklace sedge
• Carex proposita — Smoky Mountain sedge
• Carex pseudocyperus — cyperus-like sedge
• Carex pyrenaica — Pyrenean sedge
• Carex radiata — stellate sedge
• Carex ramenskii — Ramenski's sedge
• Carex rariflora — loose-flowered sedge
• Carex raymondii — black sedge
• Carex raynoldsii — Raynolds' sedge
• Carex recta — saltmarsh sedge

• Carex retroflexa — reflexed sedge
• Carex retrorsa — retrorse sedge
• Carex richardsonii — Richardson's sedge
• Carex rosea — rosy sedge
• Carex rossii — short sedge
• Carex rostrata — beaked sedge
• Carex rotundata — roundfruit sedge
• Carex rufina — snowbed sedge
• Carex rupestris — rock sedge
• Carex sabulosa — sand sedge
• Carex salina — saltmarsh sedge
• Carex sartwellii — Sartwell's sedge
• Carex saxatilis — russett sedge
• Carex saximontana — Rocky Mountain sedge
• Carex scabrata — rough sedge
• Carex schweinitzii — Schweinitz' sedge
• Carex scirpoidea — bulrush sedge
• Carex scoparia — broom sedge
• Carex scopulorum — Holm's Rocky Mountain sedge
• Carex seorsa — weak stellate sedge
• Carex shortiana — Short's sedge
• Carex siccata — dryspike sedge
• Carex silicea — seabeach sedge
• Carex simulata — copycat sedge
• Carex sparganioides — bur-reed sedge
• Carex spectabilis — northwestern showy sedge
• Carex sprengelii — longbeak sedge
• Carex squarrosa — squarrose sedge
• Carex sterilis — dioecious sedge
• Carex stipata — awl-fruit sedge
• Carex striatula — lined sedge
• Carex stricta — tussock sedge
• Carex stylosa — long-styled sedge
• Carex suberecta — prairie straw sedge
• Carex subfusca — rusty sedge
• Carex subspathacea — Hoppner's sedge
• Carex supina — weak Arctic sedge
• Carex swanii — Swan's sedge
• Carex sychnocephala — many-headed sedge
• Carex tahoensis — Lake Tahoe sedge
• Carex tenera — slender sedge
• Carex tenuiflora — sparseflower sedge
• Carex terrae-novae — Newfoundland sedge
• Carex tetanica — rigid sedge
• Carex tincta — tinged sedge
• Carex tonsa — shaved sedge
• Carex torreyi — Torrey's sedge
• Carex torta — twisted sedge
• Carex tribuloides — blunt broom sedge
• Carex trichocarpa — hairyfruit sedge
• Carex trisperma — three-seed sedge
• Carex tuckermanii — Tuckerman's sedge
• Carex tumulicola — foothill sedge
• Carex typhina — cattail sedge
• Carex umbellata — hidden sedge
• Carex unilateralis — one-sided sedge
• Carex ursina — bear sedge
• Carex utriculata — beaked sedge
• Carex vacillans
• Carex vaginata — sheathed sedge
• Carex vallicola — valley sedge
• Carex vesicaria — inflated sedge
• Carex virescens — ribbed sedge
• Carex viridula — little green sedge
• Carex vulpinoidea — fox sedge
• Carex wiegandii — Wiegand's sedge
• Carex willdenowii — Willdenow's sedge
• Carex williamsii — Williams' sedge
• Carex woodii — pretty sedge
• Carex x abitibiana — Abitibi sedge
• Carex x anticostensis — Anticosti sedge
• Carex x calderi — Calder's sedge
• Carex x connectens
• Carex x crinitoides
• Carex x exsalina
• Carex x firmior
• Carex x flavicans
• Carex x grahamii — Graham's sedge
• Carex x hartii — Hart's sedge
• Carex x helvola
• Carex x josephi-schmittii — Joseph Schmitt's sedge
• Carex x knieskernii — Knieskern's sedge
• Carex x langeana — Lange's sedge
• Carex x leutzii — Leutz' sedge
• Carex x limula
• Carex x mainensis — Maine sedge
• Carex x mendica
• Carex x neobigelowii
• Carex x neofilipendula
• Carex x neomiliaris
• Carex x neopaleacea
• Carex x neorigida
• Carex x nubens
• Carex x paleacoides
• Carex x pannewitziana — Pannewitz' sedge
• Carex x patuensis
• Carex x persalina
• Carex x physocarpioides
• Carex x pieperiana — Pieper's sedge
• Carex x pseudohelvola
• Carex x quebecensis — Québec sedge
• Carex x quirponensis
• Carex x reducta
• Carex x rollandii — Rolland's sedge
• Carex x saxenii — Saxen's sedge
• Carex x spiculosa
• Carex x stenolepis
• Carex x subimpressa
• Carex x sublimosa
• Carex x subnigra
• Carex x subpaleacea
• Carex x subreducta
• Carex x subsalina
• Carex x subviridula
• Carex x sullivantii — Sullivant's sedge
• Carex x supergoodenoughii — Goodenough's sedge
• Carex x trichina
• Carex x ungavensis — Ungava sedge
• Carex xerantica — white-scaled sedge
• Cladium mariscoides — twigrush
• Cyperus bipartitus — shining flatsedge
• Cyperus dentatus — toothed sedge
• Cyperus diandrus — umbrella flatsedge
• Cyperus echinatus — globe flatsedge
• Cyperus eragrostis — tall flatsedge
• Cyperus erythrorhizos — redroot flatsedge
• Cyperus esculentus — Chufa flatsedge
• Cyperus flavescens — yellow flatsedge
• Cyperus houghtonii — Houghton's umbrella-sedge
• Cyperus lupulinus — Great Plains flatsedge
• Cyperus odoratus — rusty flatsedge
• Cyperus schweinitzii — Schweinitz' flatsedge
• Cyperus squarrosus — awned cyperus
• Cyperus strigosus — straw-coloured flatsedge
• Dulichium arundinaceum — three-way sedge
• Eleocharis acicularis — least spikerush
• Eleocharis aestuum
• Eleocharis atropurpurea — purple spikerush
• Eleocharis compressa — flat-stemmed spikerush
• Eleocharis diandra — Wright's spikerush
• Eleocharis elliptica — slender spikerush
• Eleocharis engelmannii — Engelmann's spikerush
• Eleocharis equisetoides — horsetail spikerush
• Eleocharis erythropoda — bald spikerush
• Eleocharis fallax — creeping spikerush
• Eleocharis geniculata — capitate spikerush
• Eleocharis halophila — saltmarsh spikerush
• Eleocharis intermedia — matted spikerush
• Eleocharis kamtschatica] — Kamtchatka spikerush
• Eleocharis macrostachya — creeping spikerush
• Eleocharis mamillata — softstem spikerush
• Eleocharis nitida — slender spikerush
• Eleocharis obtusa — blunt spikerush
• Eleocharis olivacea — capitate spikerush
• Eleocharis ovata — ovate spikerush
• Eleocharis palustris — creeping spikerush
• Eleocharis parvula — small spikerush
• Eleocharis quadrangulata — squarestem spikerush
• Eleocharis quinqueflora — few-flower spikerush
• Eleocharis robbinsii — Robbins' spikerush
• Eleocharis rostellata — beaked spikerush
• Eleocharis smallii — Small's creeping spikerush
• Eleocharis tenuis — slender spikerush
• Eleocharis tuberculosa — long-tuberculed spikerush
• Eleocharis uniglumis — creeping spikerush
• Eriophorum altaicum — white-bristle cottongrass
• Eriophorum angustifolium — narrowleaf cottongrass
• Eriophorum brachyantherum — shortanther cottongrass
• Eriophorum callitrix — sheathed cottongrass
• Eriophorum chamissonis — russett cottongrass
• Eriophorum gracile — slender cottongrass
• Eriophorum russeolum — russet cottongrass
• Eriophorum scheuchzeri — Scheuchzer's cottongrass
• Eriophorum tenellum — rough cottongrass
• Eriophorum vaginatum — tussock cottongrass
• Eriophorum virginicum — tawny cottongrass
• Eriophorum viridicarinatum — green-keeled cottongrass
• Eriophorum x gauthieri — Gauthier's cottongrass
• Eriophorum x medium
• Eriophorum x porsildii — Porsild's cottongrass
• Eriophorum x pylaieanum
• Eriophorum x rousseauanum — Rousseau's cottongrass
• Fimbristylis autumnalis — slender fimbry
• Fimbristylis puberula — hairy fimbristylis
• Fuirena pumila — dwarf umbrella-sedge
• Isolepis cernua — low bulrush
• Kobresia myosuroides — Pacific kobresia
• Kobresia sibirica — Siberian kobresia
• Kobresia simpliciuscula — simple kobresia
• Lipocarpha micrantha — dwarf bulrush
• Rhynchospora alba — white beakrush
• Rhynchospora capillacea — horned beakrush
• Rhynchospora capitellata — brownish beakrush
• Rhynchospora fusca — brown beakrush
• Schoenoplectus acutus — hardstem bulrush
• Schoenoplectus americanus — three-square bulrush
• Schoenoplectus fluviatilis — river bulrush
• Schoenoplectus heterochaetus — slender bulrush
• Schoenoplectus maritimus — saltmarsh bulrush
• Schoenoplectus novae-angliae — New England bulrush
• Schoenoplectus pungens — three-square bulrush
• Schoenoplectus purshianus — weakstalk bulrush
• Schoenoplectus robustus — saltmarsh bulrush
• Schoenoplectus saximontanus — Rocky Mountain bulrush
• Schoenoplectus smithii — Smith's bulrush
• Schoenoplectus subterminalis — water bulrush
• Schoenoplectus tabernaemontani — softstem bulrush
• Schoenoplectus torreyi — Torrey's bulrush
• Schoenoplectus x oblongus
• Scirpus atrocinctus — black-girdle bulrush
• Scirpus atrovirens — woolgrass bulrush
• Scirpus cyperinus — cottongrass bulrush
• Scirpus expansus — woodland beakrush
• Scirpus georgianus — Georgia bulrush
• Scirpus hattorianus
• Scirpus longii — Long's bulrush
• Scirpus microcarpus — smallfruit bulrush
• Scirpus nevadensis — Nevada bulrush
• Scirpus pallidus — pale bulrush
• Scirpus pedicellatus — stalked bulrush
• Scirpus pendulus — pendulous bulrush
• Scirpus x peckii — Peck's bulrush
• Scleria pauciflora — few-flower nutrush
• Scleria triglomerata — whip nutrush
• Scleria verticillata — low nutrush
• Trichophorum alpinum — alpine cottongrass
• Trichophorum caespitosum — tufted clubrush
• Trichophorum clintonii — Clinton's bulrush
• Trichophorum planifolium — bashful bulrush
• Trichophorum pumilum — Rolland's leafless-bulrush