Canada's Plant Hardiness Site

Preliminary climatic range maps for 2800 species.

(Last updated Thu Jan 24 16:21:44 EST 2013)
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

Cakile edentula searocket
Calamagrostis canadensis bluejoint reedgrass
Calamagrostis pickeringii Pickering's reedgrass
Calamagrostis porteri subsp. insperata Bartley's reedgrass
Calamagrostis purpurascens purple reedgrass
Calamagrostis rubescens pine reedgrass
Calamagrostis stricta slimstem reedgrass
Calamagrostis stricta subsp. inexpansa northern reedgrass
Calamagrostis stricta subsp. stricta slimstem reedgrass
Calamovilfa longifolia prairie sandreed
Calamovilfa longifolia var. magna Great Lakes sandreed
Calla palustris water arum
Callirhoë triangulata clustered poppy mallow
Callitriche hermaphroditica autumnal water-starwort
Callitriche heterophylla large water-starwort
Callitriche palustris marsh water-starwort
Calocedrus decurrens white cedar
Calochortus longebarbatus var. longebarbatus
Calochortus longebarbatus var. peckii
Calochortus nitidus
Calochortus plummerae
Calochortus striatus
Calopogon tuberosus tuberous grasspink
Calopogon tuberosus var. tuberosus tuberous grasspink
Caltha natans floating marsh marigold
Caltha palustris cowflock
Calypso bulbosa calypso
Calypso bulbosa var. americana calypso
Calystegia catesbeiana Catesby's false bindweed
Calystegia sepium wild morning glory
Calystegia spithamaea low bindweed
Calystegia spithamaea subsp. purshiana low false bindweed
Camassia scilloides eastern camas
Camelina microcarpa hairy falseflax
Campanula americana American bellflower
Campanula aparinoides marsh bellflower
Campanula rapunculoides creeping bellflower
Campanula rotundifolia common harebell
Campsis radicans trumpet creeper
Cannabis sativa hemp
Capnoides sempervirens rock harlequin
Capsella bursa-pastoris pickpocket
Cardamine bulbosa bulbous cress
Cardamine concatenata cutleaf toothwort
Cardamine constancei
Cardamine diphylla crinkleroot
Cardamine douglassii limestone bittercress
Cardamine hirsuta hairy bittercress
Cardamine longii
Cardamine parviflora smallflowered bittercress
Cardamine pensylvanica Quaker bittercress
Cardamine pratensis meadow bittercress
Carduus nutans nodding thistle
Carex adusta lesser brown sedge
Carex alata broadwing sedge
Carex albicans white-tinged sedge
Carex albicans var. albicans white-tinged sedge
Carex albicans var. emmonsii Emmons' sedge
Carex albursina white bear sedge
Carex alopecoidea foxtail sedge
Carex annectens yellowfruit sedge
Carex appalachica Appalachian sedge
Carex aquatilis water sedge
Carex aquatilis var. aquatilis water sedge
Carex arcta northern clustered sedge
Carex arctata drooping woodland sedge
Carex argyrantha silvery hay sedge
Carex assiniboinensis Assiniboia sedge
Carex atherodes wheat sedge
Carex atlantica subsp. capillacea eastern sedge
Carex atratiformis scabrous black sedge
Carex aurea golden sedge
Carex backii Back's sedge
Carex barrattii Barratt's sedge
Carex bebbii Bebb's sedge
Carex bicknellii Bicknell's sedge
Carex bicolor twocolour sedge
Carex bigelowii Bigelow's sedge
Carex biltmoreana Biltmore sedge
Carex blanda woodland sedge
Carex brevior shortbeak sedge
Carex brunnescens brownish sedge
Carex bullata button sedge
Carex bushii longscale green sedge
Carex buxbaumii brown bog sedge
Carex canescens hoary sedge
Carex capillaris hairlike sedge
Carex capitata capitate sedge
Carex careyana Carey's sedge
Carex castanea chestnut sedge
Carex cephalophora ovalhead sedge
Carex chordorrhiza cordroot sedge
Carex communis fibrous-root sedge
Carex comosa bristly sedge
Carex concinna northern elegant sedge
Carex conica Japanese sedge
Carex conoidea openfield sedge
Carex cordillerana Cordilleran sedge
Carex crawei Crawe's sedge
Carex crawfordii Crawford's sedge
Carex crinita fringed sedge
Carex cristatella crested oval sedge
Carex crus-corvi ravensfoot sedge
Carex cryptolepis hiddenscale sedge
Carex cumulata clustered sedge
Carex davisii
Carex debilis var. rudgei Rudge's sedge
Carex decomposita cypressknee sedge
Carex deflexa northern oak sedge
Carex deweyana Dewey's sedge
Carex diandra lesser panicled sedge
Carex disperma two-seeded sedge
Carex eburnea bristleleaf sedge
Carex echinata star sedge
Carex emoryi Emory's sedge
Carex epapillosa blackened sedge
Carex exilis coastal sedge
Carex festucacea fescue sedge
Carex flava yellow sedge
Carex foenea Fernald's hay sedge
Carex folliculata northern long sedge
Carex formosa awnless graceful sedge
Carex garberi Garber's sedge
Carex glacialis Newfoundland sedge
Carex gracilescens slender wood sedge
Carex gracillima graceful sedge
Carex granularis granular sedge
Carex gravida heavy sedge
Carex grayi Gray's sedge
Carex gynandra nodding sedge
Carex gynocrates northern bog sedge
Carex hallii Hall's sedge
Carex haydenii Hayden's sedge
Carex hendersonii Henderson's sedge
Carex hirtifolia hairyleaf sedge
Carex hitchcockiana Hitchcock's sedge
Carex hormathodes marsh straw sedge
Carex houghtoniana Houghton's sedge
Carex hyalinolepis hyaline-scaled sedge
Carex hystericina bottlebrush sedge
Carex idahoa
Carex interior inland sedge
Carex intumescens greater bladder sedge
Carex jamesii grass sedge
Carex juniperorum cedar sedge
Carex lacustris lake sedge
Carex laevivaginata smoothsheath sedge
Carex lasiocarpa narrowleaf woolly sedge
Carex latebracteata
Carex laxiculmis weakstem wood sedge
Carex laxiflora broad looseflower sedge
Carex lenticularis tufted sedge
Carex leptalea Harper's sedge
Carex leptonervia nerveless woodland sedge
Carex limosa bog sedge
Carex livida livid sedge
Carex lucorum distant sedge
Carex lupuliformis false hop sedge
Carex lupulina hop sedge
Carex lurida sallow sedge
Carex mackenziei Mackenzie's sedge
Carex magellanica bog sedge
Carex magellanica subsp. irrigua bog sedge
Carex maritima curved sedge
Carex meadii Mead's stiff sedge
Carex media closed-head sedge
Carex merritt-fernaldii Fernald's sedge
Carex mertensii Mertens' sedge
Carex mesochorea midland bracted sedge
Carex michauxiana Michaux's sedge
Carex microglochin bristle sedge
Carex misera
Carex molesta field oval sedge
Carex muehlenbergii Muhlenberg's sedge
Carex muskingumensis muskingum sedge
Carex nigra smooth black sedge
Carex nigromarginata
Carex normalis larger straw sedge
Carex norvegica Scandinavian sedge
Carex novae-angliae New England sedge
Carex obtusata dryland blunt sedge
Carex oligocarpa
Carex oligosperma fewseed sedge
Carex ormostachya necklace spike sedge
Carex oronensis
Carex paleacea chaffy sedge
Carex pallescens pale sedge
Carex pauciflora fewflowered sedge
Carex peckii Peck's oak sedge
Carex pedunculata longstalk sedge
Carex pellita broadleaf woolly sedge
Carex pendula drooping sedge
Carex pensylvanica common oak sedge
Carex plantaginea seersucker sedge
Carex platyphylla broadleaf sedge
Carex polymorpha
Carex praegracilis expressway sedge
Carex prairea prairie sedge
Carex prasina drooping sedge
Carex praticola northern meadow sedge
Carex projecta necklace sedge
Carex pseudocyperus cyperus sedge
Carex purpurifera
Carex radiata eastern star sedge
Carex rariflora looseflowered alpine sedge
Carex recta cuspidate sedge
Carex retroflexa reflexed sedge
Carex retrorsa retrorse sedge
Carex richardsonii Richardson's sedge
Carex rosea rosy sedge
Carex rossii Ross's sedge
Carex rostrata bottlebrush sedge
Carex sartwellii Sartwell's sedge
Carex saxatilis russet sedge
Carex saximontana Rocky Mountain sedge
Carex scabrata scabrous sedge
Carex schweinitzii Schweinitz's sedge
Carex scirpoidea scirpus sedge
Carex scirpoidea subsp. scirpoidea northern singlespike sedge
Carex scoparia pointed broom sedge
Carex seorsa swamp star sedge
Carex siccata silvery hay sedge
Carex silicea seabeach sedge
Carex sparganioides burreed sedge
Carex sprengelii long-beak sedge
Carex squarrosa narrowleaf cattail sedge
Carex sterilis dioecious sedge
Carex stipata common fox sedge
Carex stricta hummock sedge
Carex suberecta wedge-fruited oval sedge
Carex sychnocephala dense longbeaked sedge
Carex tenera quill sedge
Carex tenuiflora sparseflowered sedge
Carex tetanica rigid sedge
Carex tonsa var. rugosperma rough-fruited deepgreen sedge
Carex tonsa var. tonsa shaved sedge
Carex tribuloides blunt broom sedge
Carex trichocarpa velvet sedge
Carex trisperma three-fruit sedge
Carex tuckermanii Tuckerman's sedge
Carex typhina common cattail sedge
Carex umbellata parasol sedge
Carex utriculata bottle sedge
Carex vaginata sheathed sedge
Carex vesicaria inflated sedge
Carex viridula little green sedge
Carex vulpinoidea brown fox sedge
Carex wiegandii Wiegand's sedge
Carex willdenowii Willdenow's sedge
Carex woodii pretty sedge
Carex xerantica dryland sedge
Carpinus caroliniana blue beech
Carum carvi wild caraway
Carya aquatica bitter pecan
Carya cordiformis bitternut hickory
Carya glabra pignut hickory
Carya illinoinensis softshell hickory
Carya laciniosa shellbark hickory
Carya myristiciformis nutmeg hickory
Carya ovata shellbark hickory
Carya ovata var. ovata shagbark hickory
Carya pallida sand hickory
Carya texana black hickory
Carya tomentosa mockernut hickory
Castanea dentata American chestnut
Castanea ozarkensis Ozark chinkapin
Castanea pumila dwarf chestnut
Castilleja campestris subsp. succulenta
Castilleja chlorotica
Castilleja coccinea scarlet paintedcup
Castilleja miniata minute paintedcup
Castilleja raupii Raup's paintedcup
Castilleja septentrionalis Labrador paintbrush
Catalpa bignonioides southern catalpa
Catalpa speciosa northern catalpa
Caulophyllum thalictroides blue cohosh
Ceanothus americanus New Jersey tea
Ceanothus herbaceus narrowleaf New Jersey tea
Ceanothus sanguineus redstem ceanothus
Ceanothus velutinus snowbrush
Celastrus scandens American bittersweet
Celtis laevigata southern hackberry
Celtis occidentalis common hackberry
Celtis tenuifolia dwarf hackberry
Centaurea cyanus bachelor's button
Centaurea nigra lesser knapweed
Centaurea stoebe subsp. micranthos spotted knapweed
Cephalanthus occidentalis common buttonbush
Cerastium arvense field mouse-ear chickweed
Cerastium beeringianum Bering mouse-ear chickweed
Cerastium fontanum common mouse-ear chickweed
Cerastium glomeratum sticky mouse-ear chickweed
Cerastium nutans nodding mouse-ear chickweed
Cerastium semidecandrum five-stamen mouse-ear chickweed
Ceratophyllum demersum common hornwort
Ceratophyllum echinatum spiny hornwort
Cercis canadensis Judas-tree
Cercis occidentalis western redbud
Cercocarpus ledifolius curl-leaf mountain-mahogany
Chaenorhinum minus dwarf snapdragon
Chamaecyparis lawsoniana Oregon cedar
Chamaecyparis thyoides Atlantic white-cedar
Chamaedaphne calyculata leatherleaf
Chamaelirium luteum fairywand
Chamaesyce glyptosperma ridge-seeded milk-purslane
Chamaesyce maculata spotted milk-purslane
Chamaesyce polygonifolia seaside spurge
Chamerion angustifolium French willow
Chamerion angustifolium subsp. angustifolium fireweed
Chamerion latifolium alpine fireweed
Cheilanthes lanosa woolly lip fern
Chelidonium majus greater celandine
Chelone glabra white turtlehead
Chelone obliqua rose turtlehead
Chenopodium album lamb's-quarters
Chenopodium glaucum oakleaf goosefoot
Chenopodium rubrum red goosefoot
Chenopodium simplex mapleleaf goosefoot
Chenopodium subglabrum smooth narrowleaf goosefoot
Chimaphila maculata striped pipsissewa
Chimaphila umbellata pipsissewa
Chionanthus virginicus grancy gray-beard
Chorizanthe polygonoides var. longispina
Chrysogonum virginianum green and gold
Chrysolepis chrysophylla golden-chestnut
Chrysosplenium americanum American watermat
Chrysosplenium iowense Iowa golden carpet
Chrysosplenium tetrandrum northern golden saxifrage
Cichorium intybus wild chicory
Cicuta bulbifera bulb-bearing water hemlock
Cicuta maculata musquash-root
Cimicifuga elata tall bugbane
Cinna latifolia drooping woodreed
Circaea alpina dwarf enchanter's nightshade
Circaea canadensis Canada enchanter's nightshade
Circaea canadensis subsp. canadensis broadleaf enchanter's nightshade
Cirsium arvense Canada thistle
Cirsium carolinianum Carolina thistle
Cirsium discolor field thistle
Cirsium flodmanii Flodman's thistle
Cirsium longistylum longstyle thistle
Cirsium muticum swamp thistle
Cirsium pitcheri Pitcher's thistle
Cirsium pumilum var. hillii Hill's thistle
Cirsium vulgare bull thistle
Cladium mariscoides smooth sawgrass
Cladrastis kentukea Kentucky yellowwood
Clarkia biloba subsp. brandegeeae
Claytonia caroliniana Carolina spring beauty
Claytonia virginica eastern spring beauty
Cleistes bifaria smaller spreading pogonia
Clematis fremontii
Clematis ligusticifolia western white clematis
Clematis occidentalis purple clematis
Clematis occidentalis var. occidentalis purple clematis
Clematis virginiana virginsbower
Cleome multicaulis slender spiderflower
Clethra acuminata cinnamon clethra
Clethra alnifolia coastal sweet pepperbush
Cliftonia monophylla black titi
Clinopodium arkansanum wild calamint
Clinopodium vulgare dogmint
Clintonia borealis cornlily
Collinsia parviflora smallflower blue-eyed Mary
Collomia linearis narrowleaf collomia
Comandra umbellata star toadflax
Comarum palustre marsh five-finger
Comptonia peregrina sweetfern
Conioselinum chinense hemlock parsley
Conium maculatum spotted hemlock
Conoclinium coelestinum blue mistflower
Conopholis americana cancerroot
Convallaria majalis European lily-of-the-valley
Convolvulus arvensis cornbine
Coptidium lapponicum Lapland buttercup
Coptis trifolia goldthread
Corallorhiza maculata spotted coralroot
Corallorhiza odontorhiza
Corallorhiza trifida early coralroot
Corallorhiza wisteriana Wister’s coralroot
Cordylanthus maritimus subsp. palustris
Coreopsis lanceolata lanceleaf tickseed
Coreopsis latifolia
Coreopsis palmata prairie tickseed
Coreopsis rosea pink tickseed
Coreopsis tinctoria golden tickseed
Coreopsis tripteris tall tickseed
Cornus alternifolia alternateleaf dogwood
Cornus amomum subsp. obliqua pale dogwood
Cornus canadensis bunchberry
Cornus drummondii Drummond's dogwood
Cornus florida common white dogwood
Cornus foemina subsp. racemosa gray dogwood
Cornus nuttallii mountain dogwood
Cornus rugosa roundleaf dogwood
Cornus stolonifera red osier dogwood
Corydalis aurea scrambled eggs
Corydalis caseana subsp. hastata
Corylus americana American filbert
Corylus cornuta beaked hazelnut
Corylus cornuta subsp. californica western hazelnut
Cotinus obovatus American smoke-tree
Crassula aquatica water pygmyweed
Crataegus calpodendron blackthorn hawthorn
Crataegus chrysocarpa fireberry hawthorn
Crataegus crus-galli cockspur hawthorn
Crataegus douglasii Douglas' hawthorn
Crataegus mollis downy hawthorn
Crataegus pruinosa frosted hawthorn
Crataegus punctata dotted hawthorn
Crataegus submollis Quebec hawthorn
Crataegus succulenta fleshy hawthorn
Crataegus triflora threeflower hawthorn
Crataegus viridis green hawthorn
Crepis tectorum narrowleaf hawksbeard
Crocanthemum bicknellii hoary frostweed
Crocanthemum propinquum low frostweed
Croomia pauciflora
Cryptantha cana
Cryptantha osterhoutii
Cryptogramma stelleri Steller's rockbrake
Cupressus arizonica Arizona cypress
Cupressus goveniana var. pygmaea pygmy cypress
Cuscuta cephalanthi buttonbush dodder
Cuscuta coryli hazel dodder
Cuscuta gronovii common dodder
Cuscuta polygonorum smartweed dodder
Cymophyllus fraserianus
Cynoglossum officinale beggar's-lice
Cynoglossum virginianum wild comfrey
Cynoglossum virginianum var. boreale northern houndstongue
Cyperus bipartitus shining flatsedge
Cyperus diandrus
Cyperus esculentus yellow nutgrass
Cyperus grayoides
Cyperus houghtonii Houghton's umbrella sedge
Cyperus odoratus fragrant flatsedge
Cyperus schweinitzii Schweinitz's flatsedge
Cyperus squarrosus squarrose flatsedge
Cyperus strigosus straw-colour flatsedge
Cypripedium acaule pink ladyslipper
Cypripedium arietinum ramshead ladyslipper
Cypripedium californicum California ladyslipper
Cypripedium candidum small white ladyslipper
Cypripedium fasciculatum clustered ladyslipper
Cypripedium kentuckiense Kentucky ladyslipper
Cypripedium parviflorum yellow ladyslipper
Cypripedium parviflorum var. makasin northern yellow ladyslipper
Cypripedium parviflorum var. pubescens yellow ladyslipper
Cypripedium passerinum sparrow's-egg ladyslipper
Cypripedium reginae showy ladyslipper
Cyrilla racemiflora swamp cyrilla
Cystopteris bulbifera bulblet bladder fern
Cystopteris fragilis fragile fern
Cystopteris laurentiana Laurentian fragile fern
Cystopteris tenuis MacKay's brittle fern