This page includes profiles for many of the terrestrial and riparian invasive species found on the CKISS Invasive Plant Priority List.
These profiles include information on how to identify, prevent and manage infestations of these plants.
To learn more about how you can help to stop the spread of invasive species, check out the information in the Take Action section of our website.
CKISS has also created a photo guide on iNaturalist which includes all of the plant species on our priority list.
- Baby's Breath (Gypsophila paniculata)
- Bachelor's button (Centaurea cyanus)
- Black henbane (Hyoscyamus niger)
- Black Locust (Robinia pseudoacacia)
- Blueweed (Echium vulgare)
- Brown knapweed (Centaurea jaca)
- Bull thistle (Cirisium vulgare)
- Butterfly Bush (Buddleja davidii)
- Cheatgrass (Bromus tectorum)
- Coltsfoot (Tussilago farfara)
- Common burdock (Arctium minus)
- Common tansy (Tanacetum vulgare)
- Creeping buttercup (Ranunculus repens)
- Cutleaf blackberry (rubus laciniatus), Michael Wolf
- Dalmatian toadflax (Linaria dalmatica)
- Diffuse knapweed (Centaurea diffusa)
- English holly Ilex aquifolium
- Wild Hog. Photo courtesy of U.S. Fish and Wildlife via Wikimedia Commons
- Field scabious (Knautia arvensis)
- French broom (Genista monspessulana)
- Fuller's Teasel (Dipsacus fullonum)
- Garden loosestrife (Lysimachia vulgaris)
- Garlic mustard Alliaria petiolata
- Giant Hogweed (Heracleum mantegazzianum)
- Greater calendine (Chelidonium majus)
- Himalayan Blackberry (Rubus armeniacus)
- Hoary alyssum (Berteroa incana)
- Hoary Cress (Lepidum draba)
- Hound’s tongue (Cynoglossum officinale)
- Knotweed
- Japanese Butterbur (Petasites japonica)
- Leafy spurge (Euphorbia esula)
- Marsh plume thistle (Cirsium palustre)
- Meadow knapweed (Centaurea x moncktonii)
- Mountain bluet (Centaurea montana)
- Myrtle spurge (Euphorbia myrsinites)
- Nodding thistle (Carduus nutans)
- North Africa Grass (Ventenata dubia)
- Orange hawkweed (Hieracium aurantiacum)
- Invasive oxeye daisy
- Periwinkle (Vinca minor)
- Perennial pepperweed (Lepidium latifolium)
- Poison hemlock (Conium maculatum)
- Policeman's Helmet (Impatiens balsamifera)
- Puncturevine (Tribulus terrestris )
- Purple Loosestrife (Lythrum salicaria)
- Queen Anne's Lace (Daucus carota)
- Rats
- Reed canary grass (Phalaris arundinacea)
- Rush skeletonweed (Chondrilla juncea)
- Russian Olive (Elaeagnus angustifolia)
- Salt Cedar (Tamarisk spp.)
- Scentless Chamomile (Tripleurospermum inodorum)
- Scotch Broom (Cytisus scoparius)
- Scotch Thistle (Onopordum acanthium)
- Siberian elm (Ulmus pumila)
- Spotted knapweed (Centaurea stoebe)
- St.Johns Wort (Hypericum perforatum)
- Sulphur Cinquefoil (Potentilla recta)
- Tansy ragwort (Senecio jacobaea)
- Tree of heaven (Ailanthus altissima)
- Wild Chervil (Anthriscus sylvestris)
- Wild parsnip (Pastinaca sativa L.)
- Yellow archangel (Lamiastrum galeobdolon)
- Yellow Flag Iris (Iris pseudacorus)
- Yellow/ Common toadflax (Linaria vulgaris)
- Yellow starthistle (Centaurea solstitialis)