Common Comfrey
It can be found growing in shady, rich soils near riparian areas or in roadside ditches. It primarily reproduces vegetatively and is notoriously difficult to remove due to its tendency to sprout whole plants from small root fragments.
Common Bugloss
Common bugloss is a hairy, fleshy, plant native to Europe, Western and central Asia. It invades disturbed, sunny areas such as roadsides, pastures, and hay fields, which reduces the yield of these crops.
Canada Thistle
Canada thistle is widespread in all areas of BC on roadsides, cultivated fields and pastures, and logged forests and other disturbed areas.
Brown Knapweed
Brown knapweed (Centaurea jacea), an invasive perennial herb native to Europe, is a concern in British Columbia, where it outcompetes native species and reduces biodiversity.
Chicory
Introduced from Eurasia. Often planted for use as salad greens, and the root is used as a substitute for coffee.