Canada

Ajuga

Ajuga reptans

Endangered

Alder

Alnus glutinosa

Alexanders

Angelica atropurpurea

Allegheny Serviceberry

Amelanchier arborea

Common Silver Hairgrass

Aira caryophyllea

Endangered

All Species in Canada

Buff-Tipped Marble

Hedya ochroleucana

Bugleweed

Lycopus europaeus

Bugleweed

Lycopus uniflorus

Bugleweed

Lycopus virginicus

Bulbous Bitter-Cress

Cardamine bulbosa

Bulbous Bluegrass

Poa bulbosa

Cabbage Moth

Plutella xylostella

cabbage rose

Rosa centifolia

Cabbage Stem Weavil

Ceutorhynchus pallidactylus

cadelle beetle

Tenebroides mauritanicus

Calico-Bush

Kalmia latifolia

California pear sawfly

Pristiphora abbreviata

California rose bay

Rhododendron macrophyllum

California stinkweed

Navarretia squarrosa

Cape-jewels

Nemesia strumosa

Caper Spurge

Euphorbia lathyris

Capillary Beakrush

Rhynchospora capillacea

Caraway

Carum carvi

Cardinal-Climber

Ipomoea quamoclit

Cardinal Flower

Lobelia cardinalis

Carelessweed

Amaranthus spinosus

Canada spikesedge

Eleocharis geniculata

Canada St. John'S Wort

Hypericum canadense

Canada Tick-Clover

Desmodium canadense

Canadian Arrowhead

Sagittaria rigida

Canadian waterweed

Elodea canadensis

Canby’s Licorice-root

Ligusticum canbyi

Cancer Wintergreen

Gaultheria hispidula

Candle larkspur

Delphinium elatum

Candlestick

Oenothera biennis

Cane Toad

Rhinella marina

Canker Rose

Rosa canina

Canoe Birch

Betula papyrifera

Cape Breton Firefly

Photuris fairchildi

California strawflower

Collomia grandiflora

Canada Bluegrass

Poa compressa

Canada Cinquefoil

Potentilla canadensis

Canada Honewort

Cryptotaenia canadensis

Canada Rhododendron

Rhododendron canadense

Catberry

Ilex mucronata

Catchfly

Silene antirrhina

Catnip

Nepeta cataria

Cat'S Ear

Hypochaeris radicata

Cattail bug

Chilacis typhae

Caucasus catmint

Nepeta grandiflora

Carolina fanwort

Cabomba caroliniana

Carolina mosquitofern

Azolla caroliniana

Carolina poplar

Populus canadensis

Carolina redroot

Lachnanthes caroliniana

Endangered

Carpenter'S Figwort

Scrophularia marilandica

Carpet Box

Pachysandra terminalis

Carrion-Flower

Smilax herbacea

Carrot-Fern

Conium maculatum

Cascade Mountain-Ash

Sorbus scopulina

Cassandra

Chamaedaphne calyculata

Celandine

Chelidonium majus

Celypha Moth

Celypha cespitana

Cemetary Spurge

Euphorbia cyparissias

Cereal rye

Secale cereale