Canada

Aconite

Aconitum napellus

Critically Endangered

Agrimony

Agrimonia eupatoria

Near Threatened

Ajuga

Ajuga reptans

Endangered

Alder

Alnus glutinosa

Alexanders

Angelica atropurpurea

Allegheny Serviceberry

Amelanchier arborea

Common Silver Hairgrass

Aira caryophyllea

Endangered

All Species in Canada

Cowslip

Primula veris

Crab Finger Grass

Digitaria sanguinalis

Crabgrass

Eleusine indica

Cranesbill

Geranium pusillum

Cream Pea

Lathyrus ochroleucus

Cream pincushions

Scabiosa ochroleuca

Cream-Spot Ladybird

Calvia quatuordecimguttata

Creeping Jacob'S-Ladder

Polemonium reptans

Creeping bentgrass

Agrostis stolonifera

Creeping Charlie

Glechoma hederacea

creeping cinquefoil

Potentilla reptans

Creeping Phlox

Phlox stolonifera

Creeping Lady'S-Tresses

Goodyera repens

creeping raspberry

Rubus pedatus

Creeping Love Grass

Eragrostis hypnoides

Creeping meadow foxtail

Alopecurus arundinaceus

creeping Oregon-grape

Mahonia repens

Creeping Red Raspberry

Rubus pubescens

Creeping Saltbush

Atriplex prostrata

Creeping Thyme

Thymus pulegioides

Creeping Thyme

Thymus praecox

crested arrowhead

Sagittaria cristata

Creeping velvetgrass

Holcus mollis

Creeping White Clover

Trifolium repens

Creeping yellowcress

Rorippa sylvestris

Crested wheatgrass

Agropyron cristatum

Crested Buckler Fern

Dryopteris cristata

Endangered

Crested Dog'S-Tail

Cynosurus cristatus

Near Threatened

Crested Hair Grass

Koeleria macrantha

Critically Endangered

Crinkled Hairgrass

Avenella flexuosa

crispate scissurelle

Anatoma crispata

Data Deficient

Crisp Pondweed

Potamogeton crispus

cross-leaved heath

Erica tetralix

Near Threatened

Cross Orbweaver

Araneus diadematus

Crowfoot Clubmoss

Diphasiastrum digitatum

Crow Garlic

Allium vineale

crowned beggarticks

Bidens trichosperma

Crown-Pink

Silene coronaria

Crownvetch

Coronilla varia

Crucifer flea beetle

Phyllotreta cruciferae

Rough Bedstraw

Galium asprellum

Staph beetle

Oxypoda brachyptera

Cuckoo Flower

Cardamine pratensis

Cucumber

Cucumis sativus

Cucumber Magnolia

Magnolia acuminata

Cultivated Cress

Lepidium sativum

Cultivated Garlic

Allium sativum

Cultivated radish

Raphanus sativus

Cultivated tobacco

Nicotiana tabacum

curly-grass fern

Schizaea pusilla

Cuman Ragweed

Ambrosia psilostachya

Curled Dock

Rumex crispus

Curled Thistle

Carduus crispus

Staph beetle

Stenus niveus

Curly-Styled Wood Sedge

Carex rosea

Curly White Water-Crowfoot

Ranunculus longirostris

Extinct

Currant Borer

Synanthedon tipuliformis

Currant Pug

Eupithecia assimilata

Cushion Pink

Silene acaulis

Curved sicklegrass

Parapholis incurva