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

Alaska Large Awn Sedge

Carex macrochaeta

Alaska plantain

Plantago macrocarpa

Alaska spring beauty

Claytonia sarmentosa

Alberta Spruce

Picea glauca

Alder-Leaved Viburnum

Viburnum lantanoides

Alder wooly sawfly

Eriocampa ovata

Alecost

Tanacetum balsamita

Aleppo Avens

Geum aleppicum

Aleppo Grass

Sorghum halepense

Aleutian mugwort

Artemisia tilesii

Alfalfa

Medicago sativa

Alfalfa Butterfly

Colias eurytheme

Alfalfa dodder

Cuscuta approximata

Alga Pondweed

Potamogeton confervoides

Alisma Graminoide

Alisma gramineum

Critically Endangered

Alkali American Aster

Symphyotrichum ciliatum

Alkali-Grass

Anticlea elegans

alkali plantain

Plantago eriopoda

Alkali sandspurry

Spergularia diandra

Alkali swainsonpea

Sphaerophysa salsula

Alkanet

Anchusa officinalis

Allegheny Blackberry

Rubus allegheniensis

Allegheny Serviceberry

Amelanchier laevis

Allegheny Vine

Adlumia fungosa

Allen's Buttercup

Ranunculus allenii

Allheal

Valeriana officinalis

Allspice

Lindera benzoin

alpine arctic-cudweed

Omalotheca supina

Alpine Bartsia

Bartsia alpina

Alpine Bilberry

Vaccinium uliginosum

Extinct

alpine bishop's-cap

Pectiantia pentandra

Alpine Bistort

Bistorta vivipara

alpine bittercress

Cardamine bellidifolia

Alpine Bitterroot

Lewisia pygmaea

Alpine Blueberry

Vaccinium boreale

alpine bog swertia

Swertia perennis

alpine braya

Braya purpurascens

Alpine Bulrush

Trichophorum alpinum

alpine campion

Viscaria alpina

Alpine Cat'S-Tail

Phleum alpinum

alpine cinquefoil

Potentilla crantzii

Alpine Cliff Fern

Woodsia alpina

Alpine Clubmoss

Diphasiastrum alpinum

Alpine Cranberry

Vaccinium vitis-idaea

Alpine currant

Ribes alpinum

Alpine Dock

Rumex alpinus

alpine draba

Draba alpina

Alpine Fireweed

Chamaenerion latifolium

alpine foxtail

Alopecurus magellanicus

Alpine Fur

Abies lasiocarpa

alpine gentian

Gentiana nivalis

alpine groundsel

Packera pauciflora

alpine harebell

Melanocalyx uniflora

Alpine Hedysarum

Hedysarum americanum

Alpine Knapweed

Centaurea nigrescens

Alpine Larch

Larix lyallii

Alpine Pearlwort

Sagina saginoides

Alpine Pondweed

Potamogeton alpinus

Critically Endangered

alpine saxifrage

Micranthes nivalis

alpine-scabious

Cephalaria alpina