|Common Name:||Canada thistle|
|Method of Transportation:||A single seedling can produce a large patch through vegetative propagation|
|Habitat/Range:||Mesic to dry roadsides, fields and disturbed areas in the lowland, steppe and montane zones|
• biennial herb that grows 0.3 to 2.0 m tall • stems are erect, branched, and hairy •leaves are irregularly toothed, alternate, lance shaped on the lower stem becoming broader upwards, spiny toothed, smooth and green above, densely white hairy below • flowers are pink-purple
Land owners and managers have long recognized the need to control invasive plants to limit their impacts. In May 2018, a new smartphone app...