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The CKIPC is developing Invasive Plant Profiles. These condensed fact sheets provide information on the high priority invasive plants in our area, including their biology, legal status, habitat, current distribution, and management strategy in our region. For more information on our regional strategy, see our Regional Strategy. For general identification and control information, see Weeds to Watch For.
Category 1: New species not present in the CKIPC area. Early detection and rapid response is the main management focus.
- Yellow starthistle - Centaurea solstitialis - 360.8 KB
Category 2: Species present in limited distribution in the CKIPC area. Eradication is the main management focus.
- Blueweed - Echium vulgare - 1.3 MB
- Himalayan blackberry - Rubus discolor - 720.4 KB
- Hoary cress - Cardaria draba - 811.6 KB
- Knotweeds - Polygonum spp. - 670.4 KB
- Leafy spurge - Euphorbia esula - 394.5 KB
- Scentless chamomile - Matricaria perforatum - 684.1 KB
- Scotch thistle - Onopordum acanthium - 681.6 KB
- Teasel - Dipsacus fullonum - 407 KB
- Yellow flag iris - Iris pseudacorus - 448.7 KB
Category 3: Established infestations in some parts of the CKIPC area, but not present through most of the region. Control and containment are the main management focus.
- Common tansy - Tanacetum vulgare - 751.9 KB
- Field scabious - Knautia arvensis - 453.5 KB
- Hoary alyssum - Berteroa incana - 804 KB
- Meadow and brown knapweed - Centaurea debauxii - 448.4 KB
- Orange hawkweed - Hieracium aurantiacum - 802.1 KB
- Plumeless thistle - Carduus acanthoides - 729.1 KB
- Policeman's helmet/ Himalayan balsam - Impatiens glandulifera - 971.6 KB
- Purple loosestrife - Lythrum salicaria - 711 KB
- Rush skeletonweed - Chondrilla juncea - 754.9 KB
- Scotch broom - Cytisus scoparius - 652 KB
Category 4: Established infestations throughout most of the CKIPC area. Containment, control, and/or monitoring are main management focuses.
- Canada thistle - Cirsium arvense - 1 MB
- Dalmatian toadflax - Linaria genistifolia spp. dalmatica - 746.7 KB
- Hound's tongue - Cynoglossum officinale - 584.9 KB
- Oxeye daisy - Leucanthemum vulgare - 373.8 KB
- Spotted knapweed - Centaurea biebersteinii - 925.5 KB
- St. John's Wort - Hypericum perforatum - 741.5 KB
- Sulphur cinquefoil - Potentilla recta - 916.2 KB
- Yellow hawkweeds - Hieracium spp. - 642.4 KB