Russian Knapweed
Russian knapweed (Rhaponticum repens) is a perennial weed that is characterized by its creeping roots, branched stems, and oblong to lance-shaped leaves.
Russian Thistle
Russian thistle is a problematic annual weed, also known as a tumbleweed, that can grow up to 1.5 meters tall in British Columbia.
Bighead Knapweed
Bighead knapweed (Centaurea macrocephala) is an invasive perennial herb found in British Columbia, known for its large, globe-shaped yellow flower heads.
Scotch Thistle
Scotch thistle (Onopordum acanthium) is an invasive plant in BC characterized by its large, irregularly lobed leaves with sharp yellow spines, woolly hairs that give the foliage a grey-green appearance, and tall, spiny-winged stems.
Plumeless Thistle
Plumeless thistle, also known as welled thistle, is a biennial plant introduced from Eurasia that can grow up to 2 meters tall.