Invassive and Non-native species
Bracken
Perennial weed review, includes detailed description of bracken
www.gardenorganic.org.uk/organicweeds/do.....
Harlequin Ladybirds
Website:
www.harlequin-survey.org
Non-Native Species Secretariat
Website:
www.nonnativespecies.org
See also DAISIE (Delivering Alien Invasive Species Inventories for Europe)
www.europe-aliens.org
Last Updated 02 May 2012