List of Canadian plants by genus C

Below is a list of Canadian plants by genus. Due to the vastness of Canada's biodiversity, this page is divided.

Many of the plants seen in Canada are introduced, either intentionally or accidentally. N indicated native and X indicated exotic. Those plants whose status is unknown are marked with a ?.

A | B | C | D | E | F | G | H | I J K | L | M | N | O | P Q | R | S | T | U V W | X Y Z

Ca

* "Cakile" — searockets
** "Cakile edentula" — American searocket

* "Calamagrostis" — reedgrasses
** "Calamagrostis canadensis" — Canada bluejoint, Canada reedgrass, Langsdorff's reedgrass, Macoun's reedgrass
** "Calamagrostis deschampsioides" — circumpolar reedgrass
** "Calamagrostis lapponica" — Lapland reedgrass
** "Calamagrostis purpurascens" — purple reedgrass
** "Calamagrostis stricta" subsp. "inexpansa" — bog reedgrass, northern reedgrass

* "Calamintha" — calamints
** "Calamintha arkansana" — low calamint, savoury, wild calamint, limestone wild basil

* "Calamovilfa" — sandreeds
** "Calamovilfa longifolia" var. "magna" — prairie sandreed

* "Calla" — callas
** "Calla palustris" — wild calla, water arum

* "Callitriche" — water-starworts
** "Callitriche hermaphroditica" — narrowleaf water-starwort, northern water-starwort, autumnal water-starwort
** "Callitriche heterophylla" — larger water-starwort
** "Callitriche palustris" — vernal water-starwort

* "Callitropsis" —
** "Callitropsis nootkatensis" — Alaska yellow cedar, Nootka false-cypress, yellow cedar

* "Calopogon" — grass-pinks
** "Calopogon tuberosus" — tuberous grass-pink

* "Caltha" — marsh marigolds
** "Caltha natans" — floating marsh marigold
** "Caltha palustris" — marsh marigold, cowslip, kingcup, cowflock

* "Calypso" — calypsoes
** "Calypso bulbosa" — calypso, fairy-slipper, nymph-of-the-north

* "Calystegia" — bindweeds
** "Calystegia sepium" — hedge bindweed, wild morning glory
** "Calystegia spithamaea" — low bindweed

* "Camassia" — hyacinths
** "Camassia scilloides" — wild hyacinth Threatened

* "Campanula" — bellflowers
** "Campanula aparinoides" — marsh bellflower, bedstraw bedflower, marsh harebell
** "Campanula rotundifolia" — American harebell, Scottish bluebell, bluebells of Scotland

* "Campanulastrum" — bellflowers
** "Campanulastrum americanum" — tall bellflower, American bellflower

* "Campsis" — trumpet vines
** "Campsis radicans" — trumpet vine, trumpet creeper

* "Canadanthus" —
** "Canadanthus modestus" — Canada aster, western bog aster, great northern aster, purple northern aster

* "Cardamine" — toothworts
** "Cardamine bulbosa" — spring cress, bulbous cress
** "Cardamine concatenata" — cutleaf toothwort, five-parted toothwort, slender toothwort
** "Cardamine diphylla" — twoleaf toothwort, broadleaf toothwort, crinkleroot
** "Cardamine douglasii" — purple cress, limestone bittercress
** "Cardamine parviflora" — small-flowered bittercress, sand bittercress
** "Cardamine pensylvanica" — Pennsylvania bittercress, Quaker bittercress
** "Cardamine pratensis" var. "angustifolia" — meadow bittercress
** "Cardamine pratensis" var. "palustris" — cuckoo-flower, lady's smock

* "Carex" spp.""'
** see List of Carex species in Canada

* "Carpinus" — hornbeams
** "Carpinus caroliniana" — ironwood, American hornbeam, blue beech, musclewood

* "Carya" — hickories
** "Carya cordiformis" — bitternut hickory, swamp hickory, pignut hickory, yellowbud hickory
** "Carya glabra" — pignut hickory, sweet pignut, red hickory
** "Carya laciniosa" — big shellbark hickory
** "Carya ovata" — shagbark hickory, upland hickory, shellbark hickory

* "Castanea" — chestnuts
** "Castanea dentata" — American chestnut, toothed chestnut Endangered

* "Castilleja" — Indian paintbrushes
** "Castilleja coccinea" — scarlet Indian paintbrush, scarlet painted-cup
** "Castilleja raupii" — Raup's painted-cup, Raup's Indian paintbrush
** "Castilleja septentrionalis" — northern paintbrush, Labrador Indian paintbrush

* "Catabrosa" — brook grasses
** "Catabrosa aquatica" — brook grass, water hairgrass

* "Caulophyllum" — cohoshes
** "Caulophyllum giganteum"
** "Caulophyllum thalictroides" — blue cohosh

Ce

* "Ceanothus" — New Jersey teas
** "Ceanothus americanus" — New Jersey tea, redroot, white snowball, mountainsweet
** "Ceanothus herbaceus" — narrowleaf New Jersey tea, prairie redroot, inland ceanothus

* "Celastrus" — bittersweets
** "Celastrus scandens" — climbing bittersweet, American bittersweet

* "Celtis" — hackberries
** "Celtis occidentalis" — sugarberry, northern hackberry, false elm, common hackberry
** "Celtis tenuifolia" — dwarf hackberry Threatened

* "Cenchrus" — sandburs
** "Cenchrus longispinus" — longspine sandbur

* "Cephalanthus" — buttonbushes
** "Cephalanthus occidentalis" — common buttonbush

* "Cerastium" — mouse-ear chickweeds
** "Cerastium alpinum" — alpine mouse-ear chickweed, alpine chickweed, woolly alpine chickweed
** "Cerastium arvense" subsp. "strictum" — field mouse-ear chickweed, meadow mouse-ear chickweed, prairie mouse-ear chickweed (other subspecies, including the type subsp. "arvense", are considered introduced)
** "Cerastium brachypodum" — shortstalk mouse-ear chickweed
** "Cerastium nutans" — nodding mouse-ear chickweed
** "Cerastium velutinum" — long-hairy chickweed

* "Ceratophyllum" — hornworts
** "Ceratophyllum demersum" — common hornwort, coontail
** "Ceratophyllum echinatum" — spineless hornwort

Ch

* "Chaerophyllum" — chervils
** "Chaerophyllum procumbens" var. "procumbens" — spreading chervil
** "Chaerophyllum procumbens" var. "shortii"

* "Chamaedaphne" — leatherleafs
** "Chamaedaphne calyculata" — leatherleaf, dwarf cassandra

* "Chamaesyce" — spurges
** "Chamaesyce polygonifolia" — seaside spurge, seaside sandmat, sea milk-purslane
** "Chamaesyce vermiculata" — wormseed spurge, wormseed sandmat, hairy spurge, hairy-stemmed milk-purslane

* "Chelone" — turtleheads
** "Chelone glabra" — white turtlehead

* "Chenopodium" — goosefeet
** "Chenopodium bushianum" — village goosefoot
** "Chenopodium capitatum" — strawberry blite, strawberry-spinach, Indian paint, Indian ink, strawberry goosefoot
** "Chenopodium foggii" — Fogg's goosefoot
** "Chenopodium leptophyllum" — narrowleaf goosefoot
** "Chenopodium pratericola" — pale goosefoot, narrowleaf goosefoot, desert goosefoot
** "Chenopodium salinum"
** "Chenopodium simplex" — mapleleaf goosefoot, giantseed goosefoot
** "Chenopodium standleyanum" — Standley's goosefoot

* "Chimaphila" — pipsissewas
** "Chimaphila maculata" — striped pipsissewa, striped wintergreen, spotted wintergreen, striped prince's pine Endangered
** "Chimaphila umbellata" — pipsissewa, prince's pine

* "Chrysanthemum" — daisies
** "Chrysanthemum arcticum" — arctic daisy

* "Chrysosplenium" — saxifrages
** "Chrysosplenium americanum" — golden saxifrage, American watermat, American golden saxifrage
** "Chrysosplenium tetrandrum" — alternate-leaf watermat, northern golden saxifrage, northern golden-carpet

Ci

* "Cicuta" — water hemlocks
** "Cicuta bulbifera" — bulb-bearing water hemlock
** "Cicuta maculata" — spotted water hemlock, spotted cowbane, musquash-root, beaver-poison
** "Cicuta virosa" — MacKenzie's water hemlock, northern water hemlock

* "Cimicifuga" — cohoshes
** "Cimicifuga racemosa" — black cohosh, black snakeroot, black bugbane

* "Cinna" — wood reedgrasses
** "Cinna arundinacea" — stout wood reedgrass
** "Cinna latifolia" — slender wood reedgrass, drooping woodreed, broadleaf woodgrass

* "Circaea" — enchanter's nightshades
** "Circaea alpina" — dwarf enchanter's nightshade, small enchanter's nightshade
** "Circaea lutetiana" — Canada enchanter's nightshade, southern broadleaf enchanter's nightshade

* "Cirsium" — thistles
** "Cirsium discolor" — pasture thistle, field thistle
** "Cirsium drummondii" — Drummond's thistle, short-stem thistle, dwarf thistle
** "Cirsium flodmanii" — prairie thistle, woolly thistle, Flodman's thistle
** "Cirsium hillii" — Hill's thistle Threatened
** "Cirsium muticum" — swamp thistle, dunce nettle, horsetops
** "Cirsium pitcheri" — Pitcher's thistle, sand dune thistle

Cl

* "Cladium" — twigrushes
** "Cladium mariscoides" — twigrush, smooth sawgrass

* "Claytonia" — spring beauties
** "Claytonia caroliniana" — Carolina spring beauty
** "Claytonia virginica" — eastern spring beauty, narrowleaf spring beauty, Virginia spring beauty

* "Clematis" — virgin's-bowers
** "Clematis occidentalis" — western blue virgin's-bower, purple clematis, rock clematis, purple virgin's-bower
** "Clematis virginiana" — Virginia virgin's-bower, Devil's darning-needles

* "Clinopodium" — dog mints
** "Clinopodium vulgare" — dog mint, wild basil, cushion calamint

* "Clintonia" — blue-bead lilies
** "Clintonia borealis" — blue-bead lily, cornlily, poisonberry, yellow clintonia

Co

* "Coeloglossum" — green orchises
** "Coeloglossum viride" var. "viriscens" — long-bract green orchis
** "Coeloglossum viride" var. "viride" — bracted orchid

* "Collinsia" — horsebalms
** "Collinsia canadensis" — Canada horsebalm, northern horsebalm, stoneroot, richweed
** "Collinsia parviflora" — bluelips, small blue-eyed Mary

* "Collomia" — glueseeds
** "Collomia linearis" — glueseed, narrowleaf collomia

* "Comandra" — comandras
** "Comandra umbellata" — bastard toadflax, star toadflax

* "Comptonia" — sweetferns
** "Comptonia peregrina" — sweetfern

* "Conioselinum" — hemlock parsleys
** "Conioselinum chinense" — hemlock parsley

* "Conopholis"— squawroots
** "Conopholis americana" — squawroot

* "Conyza" — fleabanes
** "Conyza canadensis" — Canada fleabane, horseweed, butterweed

* "Coptis" — goldthreads
** "Coptis trifolia" — goldthread, canker-root, yellow snakeroot

* "Corallorrhiza" — coralroots
** "Corallorrhiza maculata" — spotted coralroot
** "Corallorrhiza odontorhiza" — autumn coralroot
** "Corallorrhiza striata" — striped coralroot
** "Corallorrhiza trifida" — early coralroot, pale coralroot, northern coralroot

* "Coreopsis" — tickseeds
** "Coreopsis lanceolata" — lanceleaf tickseed, garden coreopsis, long-stalked coreopsis
** "Coreopsis tripteris" — tall coreopsis

* "Corispermum" — bugseeds
** "Corispermum americanum" — American bugseed
** "Corispermum hookeri" — Hooker's bugseed
** "Corispermum pallasii" — Pallas' bugseed
** "Corispermum villosum" — hairy bugseed

* "Cornus" — dogwoods
** "Cornus alternifolia" — alternate-leaf dogwood, pagoda dogwood, green osier
** "Cornus amomum" subsp. "amomum" — silky dogwood, red willow, swamp dogwood
** "Cornus amomum" subsp. "obliqua"
** "Cornus canadensis" — Canada bunchberry, crackerberry, dwarf cornel
** "Cornus drummondii" — roughleaf dogwood, Drummond's dogwood
** "Cornus florida" — eastern flowering dogwood, common white dogwood
** "Cornus foemina" — stiff dogwood, English dogwood, stiff cornel
** "Cornus rugosa" — roundleaf dogwood
** "Cornus stolonifera" — red-osier dogwood

* "Corydalis" — corydalises
** "Corydalis aurea" — golden corydalis
** "Corydalis flavula" — yellow corydalis
** "Corydalis sempervirens" — pale corydalis

* "Corylus" — hazelnuts
** "Corylus americana" — American hazelnut, American filbert
** "Corylus cornuta" — beaked hazelnut, beaked filbert

Cr

* "Crassula" — pygmyweeds
** "Crassula aquatica" — water pygmyweed

* "Crataegus" — hawthorns
** "Crataegus apiomorpha"
** "Crataegus beata"
** "Crataegus brainerdii" — Brainerd's hawthorn
** "Crataegus calpodendron" — pear hawthorn
** "Crataegus chrysocarpa" var. "aboriginum"
** "Crataegus chrysocarpa" var. "chrysocarpa" — fireberry hawthorn, roundleaf hawthorn
** "Crataegus chrysocarpa" var. "phoenicea"
** "Crataegus coccinea" var. "coccinea" — scarlet hawthorn
** "Crataegus coccinea" var. "fulleriana" — Fuller's hawthorn
** "Crataegus cognata" — white-anthered frosted hawthorn
** "Crataegus comptacta"
** "Crataegus crus-galli" — cockspur hawthorn
** "Crataegus dilatata"
** "Crataegus dissona"
** "Crataegus dodgei" var. "dodgei" — Dodge's hawthorn
** "Crataegus dodgei" var. "flavida"
** "Crataegus douglasii" — black hawthorn, Douglas' hawthorn
** "Crataegus flabellata" — fanleaf hawthorn, Bosc's thorn, New England hawthorn
** "Crataegus formosa"
** "Crataegus irrasa" — unshorn thorn, Blanchard's thorn
** "Crataegus lumaria"
** "Crataegus macracantha" — longthorn hawthorn, largethorn hawthorn
** "Crataegus macrosperma" — bigfruit hawthorn, variable thorn
** "Crataegus magniflora"
** "Crataegus margeretta"
** "Crataegus mollis" — downy hawthorn, red haw
** "Crataegus pennsylvanica"
** "Crataegus perjucunda" — Middlesex frosted hawthorn
** "Crataegus persimilis" — plumleaf hawthorn
** "Crataegus populnea"
** "Crataegus pringlei" — Pringle's hawthorn
** "Crataegus pruinosa" var. "parvula"
** "Crataegus pruinosa" var. "pruinosa" — waxy-fruit hawthorn, frosted hawthorn
** "Crataegus punctata" — dotted hawthorn
** "Crataegus rugosa" — broadleaf frosted hawthorn
** "Crataegus scabrida"
** "Crataegus schuettei" — royal hawthorn
** "Crataegus submollis" — Québec hawthorn, Emerson's hawthorn
** "Crataegus suborbiculata" — Caughuawaga hawthorn
** "Crataegus succulenta" — fleshy hawthorn, longspine hawthorn
** "Crataegus tenax"

* "Cryptogramma" — rockbrakes
** "Cryptogramma acrostichoides" — American rockbrake, parsleyfern, mountain parsley
** "Cryptogramma stelleri" — Steller's rockbrake, slender cliffbrake, fragile rockbrake

* "Cryptotaenia" — honeworts
** "Cryptotaenia canadensis" — Canada honewort

Cu

* "Cuscuta" — dodders
** "Cuscuta campestris" — field dodder
** "Cuscuta cephalanthi" — buttonbush dodder
** "Cuscuta coryli" — hazel dodder
** "Cuscuta gronovii" — common dodder, scaldweed, swamp dodder, Gronovius dodder

Cy

* " Cycloloma" — pigweeds
** "Cycloloma atriplicifolium" — winged pigweed

* "Cynoglossum" — comfreys
** "Cynoglossum boreale" — northern wild comfrey

* "Cyperus" — flatsedges
** "Cyperus bipartitus" — river cyperus, shining flatsedge
** "Cyperus dentatus" — toothed umbrella-sedge
** "Cyperus diandrus" — umbrella sedge
** "Cyperus erythrorhizos" — redroot flatsedge
** "Cyperus esculentus" — yellow nutgrass, yellow umbrella sedge, chufa flatsedge
** "Cyperus flavescens" — yellow cyperus
** "Cyperus houghtonii" — Houghton's flatsedge, Houghton's cyperus
** "Cyperus lupulinus" subsp. "macilentus"
** "Cyperus odoratus" — rusty flatsedge
** "Cyperus schweinitzii" — Schweinitz' umbrella sedge, Schweinitz' flatsedge
** "Cyperus squarrosus" — awned cyperus
** "Cyperus strigosus" — straw-coloured flatsedge

* "Cypripedium" — lady's-slippers
** "Cypripedium acaule" — pink lady's-slipper, pink moccasin flower
** "Cypripedium arietinum" — ram's-head lady's-slipper
** "Cypripedium candidum" — small white lady's-slipper Endangered
** "Cypripedium parviflorum" var. "makasin" — northern small-flowered yellow lady's-slipper
** "Cypripedium parviflorum" var. "pubescens" — large yellow lady's-slipper, yellow moccasin flower, flat-petalled yellow lady's-slipper, golden slipper, whip-poor-will's shoe
** "Cypripedium passerinum" — sparrow's-egg lady's-slipper, Franklin's lady's-slipper
** "Cypripedium reginae" — showy lady's-slipper, queen lady's-slipper

* "Cystopteris" —
** "Cystopteris bulbifera" — bulblet bladder fern
** "Cystopteris fragilis" — fragile fern, brittle bladder fern
** "Cystopteris laurentiana" — Laurentian bladder fern, Laurentian fragile fern
** "Cystopteris montana" — mountain bladder fern
** "Cystopteris protrusa" — lowland brittle fern
** "Cystopteris tenuis" — MacKay's brittle fern

References

"See:" Flora of Canada#References