|Common Name:||Tansy ragwort|
|Method of Transportation:||Spreads mainly by seed dispersal by wind, within 10 m of the original infestation, but seeds can be transported in soil carried on equipment and vehicles, as well as by people and livestock.|
|Habitat/Range:||• one large site reported on Haida Gwaii. • several sites reported in the PG and Robson Valley IPMAs in 2006|
• biennial or short lived perennial herb from taproot; grows 0.2 to to 1.0 m tall
• stems erect, solitary or several branched above, sparsely to densely white woolly-hairy
• basal leaves broadly lance shaped, stalked, 2 to 3 times pinnately cut, smooth; stem leaves similar, reduced upwards becoming unstalked
• flowers yellow; several to numerous clusters
This will be of interest to those writing pest management plans or who work in the vegetation management field. Check out IVMA's website...