Yukon invasive plants

Invasive plants move in on new habitats where they never existed before. They threaten biodiversity by displacing native plants and animals.

List of invasive plants in Yukon


Yukon invasive plants

Here are some of the worst plant invaders in Yukon - you may recognize a few.

Perrenial Sowthistle - Sonchus arvensis

Perennial Sow-thistle

Creeping Thistle - Cirsium arvense

Creeping Thistle

Oxeye Daisy - Leucanthemum vulgare

Oxeye Daisy

Common Tansy - Tanacetum vulgare

Common Tansy

Spoted Knapweed - Centaurea biebersteinii

Spotted Knapweed

Narrowleaf Hawksbeard - Crepis tectorum

Narrowleaf Hawksbeard

Scentless Chamomile - Tripleurospermum (Matricaria) perforata

Scentless Chamomile

Leafy Spurge - Euphorbia esula

Leafy Spurge

Foxtail Barley - Hordeum jubatum

Foxtail Barley

Altai Wild Rye - Leymus angustus

Altai Wild Rye

Crested Wheat Grass - Agropyron pectiniforme

Crested Wheat Grass

Smooth Brome - Bromus inermis

Smooth Brome

Quackgrass - Elymus repens


Reed Canary Grass - Phalaris arundinacea

Reed Canary Grass

Bird Vetch - Vicia cracca

Bird Vetch

Lucerne - Medicago falcata


White Sweetclover - Melilotus alba

White Sweetclover

Yellow Sweetclover - Melilotus officinalis

Yellow Sweetclover

Greater Butter-and-eggs - Linaria vulgaris

Greater Butter-and-eggs

Dalmatica Toadflax - Linaria dalmatica

Dalmatica Toadflax


Photo credits:

Yukon Government except Quackgrass: Steve Dewey, Utah State University, Bugwood.org, see www.invasive.org, Dalmatica Toadflax: B. Stewart

(In parts adapted from AKEPIC-Alaska Exotic Plant Information Clearinghouse. 2005. Invasive Plants of Alaska. Alaska Association of Conservation Districts Publication. Anchorage, Alaska.)


For more information:

Yukon Invasive Species Council
PO Box 30111
Whitehorse, YT
YT Y1A 5M2

Phone: 867-393-3394
Email: info@yukoninvasives.com
Website: www.yukoninvasives.com