Canada

Aconite

Aconitum napellus

Agrimony

Agrimonia eupatoria

Ajuga

Ajuga reptans

Endangered

Alder

Alnus glutinosa

Alexanders

Angelica atropurpurea

Allegheny Serviceberry

Amelanchier arborea

Common Silver Hairgrass

Aira caryophyllea

Endangered

All Species in Canada

Waldstein's Spurge

Euphorbia virgata

Wall Bedstraw

Galium parisiense

Wall-lettuce

Mycelis muralis

Walnut

Juglans regia

Wandering Mussel

Dreissena polymorpha

Wand mullein

Verbascum virgatum

Wasp

Caliroa annulipes

Water Dock

Rumex occidentalis

Water fern

Azolla filiculoides

Water foxtail

Alopecurus geniculatus

Water lettuce

Pistia stratiotes

Water-Pepper

Persicaria hydropiper

water purslane

Lythrum portula

Water scavenger beetle

Sphaeridium scarabaeoides

water soldier

Stratiotes aloides

Water speedwell

Veronica anagallis-aquatica

water whorl-grass

Catabrosa aquatica

Waxy bedstraw

Galium glaucum

Waxy mannagrass

Glyceria declinata

Weak bluegrass

Poa infirma

Weak Sedge

Carex laxa

Weed silene

Silene conoidea

Weedy dogfennel

Cladanthus mixtus

Northern Catalpa

Catalpa speciosa

western water-hemlock

Cicuta douglasii

Weevil

Otiorhynchus ligustici

weeping willow

Salix babylonica

Weeping willow

Salix sepulcralis

Weevil

Rhinocyllus conicus

Weld

Reseda luteola

Elk Sedge

Carex garberi

elk thistle

Cirsium foliosum

Ellesmere Island draba

Draba subcapitata

Welsh onion

Allium fistulosum

Welsh Wave

Venusia cambrica

western cowbane

Oxypolis occidentalis

Western Conifer Seed Bug

Leptoglossus occidentalis

winged water-starwort

Callitriche marginata

Western Grape Rootworm

Bromius obscurus

Dusky wireworm

Agriotes obscurus

western grasswort

Lilaeopsis occidentalis

western milfoil

Myriophyllum hippuroides

bowman's-root

Gillenia trifoliata

Poplar blackmine beetle

Zeugophora scutellaris

Western Hemlock-spruce

Tsuga heterophylla

Western Larch

Larix occidentalis

western moonwort

Botrychium hesperium

Clasping Mullein

Verbascum phlomoides

western polypody

Polypodium hesperium

Whip Nutrush

Scleria triglomerata

Western Prairie Fringed Orchid

Platanthera praeclara

Endangered

Clasp Twisted Stalk

Streptopus amplexifolius

Common Meadow Beauty

Rhexia virginica

common ramping-fumitory

Fumaria muralis

Western White Pine

Pinus monticola

Broomcorn

Sorghum bicolor

Wettstein's eyebright

Euphrasia wettsteinii

white-banded carpet

Spargania luctuata

White Beak Sedge

Rhynchospora alba

Crow-Poison

Nothoscordum bivalve