showy goldenrod, credit: Janetandphil CC BY-NC-ND 2.0

Threatened (Boreal Population), Endangered (Great Lakes Plains Population) Provincially and Nationally


• Large perennial that grows up to two metres in height
• Large, toothed, egg-shaped lower leaves and smaller more smooth-edged upper leaves
• Numerous upright, unbranched stems rising from central clump; small yellow flowers form cylindrical clusters along upper 30 centimetres of stem


• In northwestern Ontario, a single population of about 1,000 plants


• Habitat loss
• Human disturbance (pedestrian and recreational vehicle traffic)
• Invasive species


• Provincially protected under the Endangered Species Act, 2007
• Federally protected under the Species at Risk Act, 2002


In Canada, the boreal population of showy goldenrod is known to occur at one site only – on Dufresne Island, near Kenora.

showy goldenrod, credit: Janetandphil CC BY-NC-ND 2.0