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

Black birch

Betula occidentalis

Black Chokeberry

Aronia melanocarpa

Black Currant

Ribes nigrum

Blackdisk medick

Medicago orbicularis

Black Dog-Strangling Vine

Vincetoxicum nigrum

Black Elder

Sambucus nigra

Black Firefly

Lucidota atra

Black fungus beetle

Alphitobius laevigatus

Black-Girdle Bulrush

Scirpus atrocinctus

Black Gooseberry

Ribes lacustre

Black-grass

Alopecurus myosuroides

Black Gum

Nyssa sylvatica

Black Haw

Viburnum lentago

blackheaded fireworm, Holly Tortrix

Rhopobota naevana

Black hellebore

Helleborus niger

Black Hemlock

Tsuga canadensis

Black Henbane

Hyoscyamus niger

Endangered

Black Horehound

Ballota nigra

Black Huckleberry

Gaylussacia baccata

Black Knapweed

Centaurea nigra

Black larder beetle

Dermestes ater

Black Locust

Robinia pseudoacacia

Black Locust Leafminer

Macrosaccus robiniella

Black Medic

Medicago lupulina

Black Mustard

Brassica nigra

Black Nightshade

Solanum nigrum

Black Oak

Quercus velutina

black pea

Lathyrus niger

Argent & Sable

Rheumaptera hastata

Argid Sawfly

Arge ochropus

Arkansas Grape

Vitis aestivalis

Arolla Pine

Pinus cembra

Arrow Arum

Peltandra virginica

Arrow bamboo

Pseudosasa japonica

Arrow-Grass

Triglochin maritima

Arsène's mountain-ash

Sorbaronia arsenii

Artemisia

Artemisia vulgaris

athenarian burrowing anemone

Nematostella vectensis

Vulnerable

Atlantic Bay Scallop

Argopecten irradians

Atlantic Cordgrass

Sporobolus alterniflorus

Atlantic Mudwort

Limosella australis

Atlantic Ninebark

Physocarpus opulifolius

Aubretia

Aubrieta deltoidea

August Flower

Scorzoneroides autumnalis

August-Lily

Hosta plantaginea

Aunt Lucy

Ellisia nyctelea

auricled twayblade

Neottia auriculata

Arum-Leaf Arrowhead

Sagittaria cuneata

Asa Gray'S Sedge

Carex grayi

Ascending Grapefern

Botrychium ascendens

ascending saxifrage

Saxifraga adscendens

ash

Fraxinus excelsior

Vulnerable

Ashy Cinquefoil

Potentilla inclinata

ashy sunflower

Helianthus mollis

Ashy Willow

Salix cinerea

Asian Ambrosia Beetle

Xyleborinus attenuatus

Asian Bittersweet

Celastrus orbiculatus

Asian forget-me-not

Myosotis asiatica

Asian Longhorned Beetle

Anoplophora glabripennis

Asian oak fern

Gymnocarpium continentale