# 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 — sandbars
** 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
* X Clinopodium acinos (syn. Acinos arvensis) – mother-of-thyme, spring savoury, basil thyme
* 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
** Corallorhiza 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 — broadleaf hawthorn
** 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