| Common Name: | Tansy ragwort |
| Family: | Asteraceae |
| Genus: | Senecio |
| Species: | jacobaea |
| Classification/Rank: | Very Invasive |
| 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
NWIPC's Annual Report for 2017 was released at our AGM in Smithers in October 2018. Check it out here.
Land owners and managers have long recognized the need to control invasive plants to limit their impacts. In May 2018, a new smartphone app...
