Invasive Species Priority Lists - CKISS - Central Kootenay Invasive Species Society

Given limited resources for invasive plant management, CKISS manages invasive species using a prioritized approach. The management strategy for a specific species is based on a number of factors including the phase of invasion and the potential impacts of the species. To learn more about how CKISS manages invasive species, read our Operation Framework and the Canadian Columbia Basin Regional Framework for an Aquatic Invasive Species Program.

Invasive Plants

CKISS Plant Priority List 2024

Scientific Name	Common Name	CKISS Region	Creston IPMA	Kaslo IPMA	Lower Arrow IPMA	Nakusp IPMA	Nelson IPMA	Slocan IPMA	Provincial Priority	BC Weed Control Act Listing
Peganum harmala	African rue	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Anchusa arvensis	Annual bugloss	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Sonchus oleraceus	Annual sow thistle	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Gypsophila paniculata	Baby’s breath	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	2. Eradicate	2. Eradicate	1. Prevent	Unlisted
Centaurea cyanus	Bachelor's button	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Centaurea macrocephala	Bighead knapweed	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	1. Prevent	2. Eradicate	1. Prevent	Unlisted
Hyoscyamus niger	Black henbane	2. Eradicate*	1. Prevent	1. Prevent	1. Prevent	1. Prevent	2. Eradicate*	1. Prevent	Provincial EDRR
Centaurea nigra	Black knapweed	3. Contain	3. Contain	1. Prevent	2. Eradicate	3. Contain	1. Prevent	1. Prevent	Unlisted
Robinia pseudoacacia	Black locust	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Echium vulgare	Blueweed	2. Eradicate	2. Eradicate	2. Eradicate	2. Eradicate	2. Eradicate	2. Eradicate	2. Eradicate	Regional Containment/Control	Regionally Noxious
Reynoutria x bohemica	Bohemian knotweed	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	Regional Containment/Control	Provincially Noxious
Egeria densa	Brazilian elodea	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Provincial EDRR
Centaurea jacea	Brown knapweed	3. Contain	1. Prevent	1. Prevent	1. Prevent	3. Contain	1. Prevent	1. Prevent	Unlisted
Solanum rostratum	Buffalobur	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted
Cirsium vulgare	Bull thistle	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Anthriscus caucalis	Bur chervil	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	2. Eradicate	Management	Provincially Noxious
Arctium minus (spp?)	Burdock	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Buddleja davidii	Butterfly Bush	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Alhagi maurorum	Camel thorn	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Cirsium arvense	Canada thistle	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted	Provincially Noxious
Carum carvi	Caraway	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Soliva sessilis	Carpet burweed	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Management
Bromus tectorum	Cheatgrass	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Cichorium intybus	Chicory	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Madia sativa	Chilean tarweed	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Salvia sclarea	Clary sage	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Tussilago farfara	Coltsfoot	3. Contain	1. Prevent	3. Contain	1. Prevent	1. Prevent	1. Prevent	2. Eradicate	Unlisted
Anchusa officinalis	Common bugloss	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	Regional Containment/Control	Regionally Noxious
Symphytum officinale	Common comfrey	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Crupina vulgaris	Common crupina	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR	Provincially Noxious
Vinca minor	Common periwinkle	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Tanacetum vulgare	Common tansy	4. Strategic Control	3. Contain	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Regional Containment/Control	Regionally Noxious
Hydrocharis morsus-ranae	Common/ European frogbit	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Rumex crispus	Curled dock	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Potamogeton crispus	Curly leaf pondweed	3. Contain	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Rubus laciniatus	Cutleaf blackberry	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	2. Eradicate	Unlisted
Euphorbia cyparissias	Cypress spurge	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Management
Linaria genistifolia ssp. Dalmatica	Dalmatian toadflax	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted	Provincially Noxious
Hesperis matronalis	Dame's rocket	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Spartina densiflora	Dense-flowered cordgrass	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR	Provincially Noxious
Centaurea diffusa	Diffuse knapweed	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted	Provincially Noxious
Isatis tinctoria	Dyer's woad	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Euphorbia oblongata	Eggleaf spurge	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Spartina anglica	English cordgrass	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR	Provincially Noxious
Ilex aquifolium	English holly	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Hedera helix	English Ivy	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Myriophyllum spicatum	Eurasian water-milfoil	3. Contain	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Management
Phragmites australis	European common reed	2. Eradicate*	2. Eradicate*	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR	Provincially Noxious
Cabomba caroliniana	Fanwort	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Azolla pinnata	Feathered mosquito fern	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Convolvulus arvensis	Field bindweed	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Knautia arvensis	Field scabious	2. Eradicate	1. Prevent	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	Regional Containment/Control	Regionally Noxious
Lathyrus sylvestris	Flat peavine	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Ludwigia peploides	Floating primrose-willow	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Butomus umbellatus	Flowering rush	2. Eradicate*	1. Prevent	1. Prevent	1. Prevent	2. Eradicate*	1. Prevent	1. Prevent	Provincial EDRR	Provincially Noxious
Setaria viridis	Green bristlegrass	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	1. Prevent	2. Eradicate	1. Prevent	Unlisted
Nymphaea odorata	Fragrant water lily	2. Eradicate	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Genista monspessulana (L.) L.A.S. Johnson	French broom	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Lysimachia vulgaris	Garden loosestrife	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Rumex acetosa ssp. Thyrsiflorus	Garden sorrel	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Alliaria petiolata	Garlic mustard	2. Eradicate	1. Prevent	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	Provincial Containment
Heracleum mantegazzianum	Giant hogweed	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	2. Eradicate	Provincial Containment	Provincially Noxious
Reynoutria sachalinensis	Giant knotweed	3. Contain	1. Prevent	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	Regional Containment/Control	Provincially Noxious
Arundo donax	Giant reed	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Salvinia molesta	Giant salvinia	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Galega officinalis	Goatsrue	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Ulex europaeus	Gorse	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Management	Provincially Noxious
Aegopodium podagraria	Goutweed	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Chelidonium majus	Greater celandine	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Centaurea scabiosa	Greater knapweed	2. Eradicate	1. Prevent	1. Prevent	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	Unlisted
Hypochaeris radicata	Hairy cat’s ear	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Halogeton glomeratus	Halogeton/Saltover	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Geranium robertianum	Herb Robert	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Rubus armeniacus	Himalayan blackberry	3. Contain	4. Strategic Control	3. Contain	3. Contain	3. Contain	4. Strategic Control	3. Contain	Regional Containment/Control
Persicaria wallichii	Himalayan knotweed	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Regional Containment/Control	Provincially Noxious
Berteroa incana	Hoary alyssum	3. Contain	4. Strategic Control	3. Contain	3. Contain	3. Contain	3. Contain	2. Eradicate	Regional Containment/Control	Regionally Noxious
Cardaria draba	Hoary cress	3. Contain	2. Eradicate	1. Prevent	3. Contain	1. Prevent	2. Eradicate	2. Eradicate	Regional Containment/Control
Cynoglossum officinale	Hound’s tongue	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted	Provincially Noxious
Hydrilla verticillata	Hydrilla	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Provincial EDRR
Centaurea iberica	Iberian starthistle	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Arum italicum	Italian arum	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted
Carduus pycnocephalus	Italian thistle	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Petasites japonicus	Japanese butterbur	2. Eradicate	1. Prevent	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	2. Eradicate	Unlisted
Reynoutria japonica	Japanese knotweed	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	Regional Containment/Control	Provincially Noxious
Sorghum halepense	Johnsongrass	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Aegilops cylindrica	Jointed goatgrass	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR	Provincially Noxious
Cortaderia jubata	Jubata grasses	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Kochia scoparia	Kochia	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Pueraria montana var. lobata	Kudzu	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Euphorbia esula	Leafy spurge	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	Regional Containment/Control	Provincially Noxious
Cenchrus longispinus	Longspine sandbur	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Management
Centaurea melitensis	Maltese star thistle	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Cirsium palustre	Marsh plume thistle	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	2. Eradicate	1. Prevent	1. Prevent	Regional Containment/Control
Salvia pratensis	Meadow clary	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Centaurea x moncktonii	Meadow knapweed	3. Contain	2. Eradicate	1. Prevent	1. Prevent	3. Contain	1. Prevent	1. Prevent	Unlisted
Tragopogon pratensis	Meadow salsify	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	2. Eradicate	Unlisted
Salvia aethiopis	Mediterranean sage	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Taeniatherum caput-medusae	Medusahead	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Silybum marianum	Milk thistle	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Centaurea montana	Mountain bluet	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Management
Hieracium pilosella	Mouse-ear hawkweed	2. Eradicate*	1. Prevent	1. Prevent	2. Eradicate*	1. Prevent	2. Eradicate*	1. Prevent	Provincial EDRR
Verbascum thapsus	Mullein	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Euphorbia myrsinites	Myrtle spurge	2. Eradicate	1. Prevent	1. Prevent	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	Unlisted
Carduus nutans	Nodding thistle	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted
Ventenata dubia	North Africa Grass	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	2. Eradicate	Provincial Containment
Acer platanoides	Norway maple	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Hieracium aurantiacum	Orange hawkweed	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Regional Containment/Control	Regionally Noxious
Leucanthemum vulgare	Oxeye daisy	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Cortaderia selloana	Pampas grasses	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Myriophyllum aquaticum	Parrotfeather milfoil	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Sonchus arvensis	Perennial sow thistle	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted	Provincially Noxious
Lepidium latifolium	Perrenial Pepperweed	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Carduus acanthoides	Plumeless thistle	3. Contain	2. Eradicate	2. Eradicate	3. Contain	1. Prevent	1. Prevent	1. Prevent	Unlisted	Regionally Noxious
Conium maculatum	Poison hemlock	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	Provincial Containment
Impatiens glandulifera	Policeman’s helmet/ Himalayan balsam	3. Contain	3. Contain	2. Eradicate	3. Contain	2. Eradicate	3. Contain	2. Eradicate	Regional Containment/Control
Cytisus striatus (Hill) Rothm.	Portuguese broom	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Paulownia tomentosa	Princess tree	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Tribulus terrestris	Puncturevine	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Regional Containment/Control
Lythrum salicaria	Purple loosestrife	3. Contain	2. Eradicate	2. Eradicate	2. Eradicate	2. Eradicate	3. Contain	3. Contain	Management
Cyperus rotundus	Purple nutsedge	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Centaurea calcitrapa	Purple starthistle	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Daucus carota	Queen Anne’s lace/wild carrot	4. Strategic Control	5. Insufficient Information	5. Insufficient Information	4. Strategic Control	4. Strategic Control	5. Insufficient Information	5. Insufficient Information	Unlisted
Odontites serotina	Red bartsia	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Phalaris arundinacea	Reed canarygrass	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Chondrilla juncea	Rush skeletonweed	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	3. Contain	Provincial Containment	Provincially Noxious
Rhaponticum repens	Russian knapweed	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted
Elaeagnus angustifolia	Russian olive	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	2. Eradicate	Unlisted
Salsola pestifer	Russian thistle	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Tamarix aphylla	Salt Cedar	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Spartina patens	Salt meadow cordgrass	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR	Provincially Noxious
Tripleurospermum inodorum	Scentless chamomile	3. Contain	3. Contain	1. Prevent	2. Eradicate	2. Eradicate	2. Eradicate	2. Eradicate	Management	Provincially Noxious
Cytisus scoparius	Scotch broom	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	Regional Containment/Control
Onopordum acanthium	Scotch thistle	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	Management
Hippophae rhamnoides	Sea buckthorn	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Geranium lucidum	Shiny geranium	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial Containment
Ulmus pumila	Siberian elm	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	Unlisted
Solanum elaeagnifolium	Silverleaf nightshade	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Brachypodium sylvaticum (Huds.) P. Beauv.	Slender false brome	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Alopecurus myosuroides	Slender Meadow Foxtail	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Carduus tenuiflorus	Slenderflower thistle	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Spartina alterniflora	Smooth cordgrass	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR	Provincially Noxious
Hieracium laevigatum	Smooth hawkweed	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Spartium junceum	Spanish broom	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted
Centaurea stoebe	Spotted knapweed	4. Strategic Control	3. Contain	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Regional Containment/Control	Provincially Noxious
Milium vernale	Spring milletgrass	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Thymelaea passerina	Spurge Flax	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Daphne laureola	Spurge laurel	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Management
Centaurea virgata var. squarrosa	Squarrose knapweed	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Hypericum perforatum	St. John’s wort	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Potentilla recta	Sulphur cinquefoil	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Management
Foeniculum vulgare	Sweet fennel	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Management
Zygophyllum fabago	Syrian bean-caper	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Senecio jacobaea	Tansy ragwort	2. Eradicate	2. Eradicate	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	2. Eradicate	Unlisted
Dipsacus fullonum	Teasel	2. Eradicate	2. Eradicate	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	2. Eradicate	Regional Containment/Control
Helianthus ciliaris	Texas Blueweed	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Ailanthus altissima	Tree of heaven	2. Eradicate	2. Eradicate	1. Prevent	2. Eradicate	1. Prevent	2. Eradicate	2. Eradicate	Unlisted
Myriophyllum heterophyllum	Variable-leaf milfoil	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Abutilon theophrasti	Velvet leaf	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted	Provincially Noxious
Mycelis muralis	Wall lettuce	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Lythrum virgatum	Wand loosestrife	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted
Trapa natans	Water chestnut	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Eichhornia crassipes	Water hyacinth	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Provincial EDRR
Pistia stratiotes L.	Water lettuce	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Provincial EDRR
Ludwigia hexapetala	Water primrose	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Unlisted
Stratiotes aloides	Water soldier	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Provincial EDRR
Tragopogon dubius	Western Goat's-beard	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Hieracium flagellare	Whiplash hawkweed	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Regional Containment/Control
Cytisus multiflorus	White spanish broom	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted
Anthriscus sylvestris	Wild chervil	3. Contain	1. Prevent	3. Contain	3. Contain	1. Prevent	2. Eradicate	1. Prevent	Provincial Containment
Mirabilis nyctaginea	Wild Four O’Clock	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted
Pastinaca sativa	Wild parsnip	2. Eradicate	2. Eradicate	2. Eradicate	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial Containment
Teucrium scorodonia	Wood Sage	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Unlisted
Artemisia absinthium	Wormwood (Absinth)	4. Strategic Control	4. Strategic Control	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Lamium galeobdolon	Yellow archangel/lamium	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	3. Contain	Regional Containment/Control
Galium verum	Yellow bedstraw	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted
Iris pseudacorus	Yellow flag iris	3. Contain	3. Contain	1. Prevent	3. Contain	3. Contain	2. Eradicate	3. Contain	Regional Containment/Control	Provincially Noxious
Nymphoides peltata	Yellow floating heart	1. Prevent	** N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	**N/A - aquatic plant	** N/A - aquatic plant	Provincial EDRR
Hieracium caespitosum	Yellow hawkweed	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted
Cyperus esculentus	Yellow nutsedge	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	5. Insufficient Information	Unlisted	Provincially Noxious
Centaurea solstitialis	Yellow starthistle	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	1. Prevent	Provincial EDRR
Linaria vulgaris	Yellow/common toadflax	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	4. Strategic Control	Unlisted

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Download CKISS Invasive Plant Priority List 2024

CKISS has also created an iNaturalist Guide to Invasive Plants of the Central Kootenay which includes a photo of each species on our priority list.

Priority Definitions and Management Approaches

Click here to learn what each priority means and its management approach.

Aquatic Invasive Species

Aquatic invasive species are plants, animals and other organisms that have been introduced into an aquatic ecosystem (lake, river, wetland or ocean) where they do not naturally occur. Because they are generally lacking the natural pathogens or predators that keep them under control in their native habitats, they can spread rapidly and extensively through waterways.

Aquatic Invasive Species Priority List 2024

Type	Common Name	Latin Name	CKISS Region	Waterbody	Provincial Priority	Regulated in B.C.
Aquatic plant	Brazilian elodea	Egeria densa	1. Prevention/EDRR		Provincial EDRR
Aquatic plant	Common/ European frogbit	Hydrocharis morsus-ranae	1. Prevention/EDRR		Recommended for regulating as Provincially Noxious
Aquatic plant	Curly leaf pondweed	Potamogeton crispus	3. Containment	Kootenay Lake & River, Columbia River, Pend D'Oreille River	Recommended for management where appropriate and threatening critical habitats/SAR	Community Charters Act
Aquatic plant	Eurasian water-milfoil	Myriophyllum spicatum	3. Containment	Kootenay Lake & River, Columbia River, Pend D'Oreille River	Management	Community Charters Act
Aquatic plant	Fanwort	Cabomba caroliniana	1. Prevention/EDRR		Recommended for regulation - coastal waterbodies at risk
Aquatic plant	Feathered mosquito fern	Azolla pinnata	1. Prevention/EDRR		Under review - not in adjacent jurisdictions - Risk Assessment required
Aquatic plant	Floating primrose-willow	Ludwigia peploides	1. Prevention/EDRR		Under review - in adjacent jurisdiction - flagged for Risk Assessment
Aquatic plant	Flowering rush	Butomus umbellatus	2. Eradication/ Annual Control	Private ponds	Provincial EDRR	Weed Control Act; Community Charters Act
Aquatic plant	Fragrant water lily	Nymphaea odorata	2. Eradication/ Annual Control	Nancy Greene Lake, Erie Lake, Meldeanna/Champion Ponds	Recommended for regulating to prevent further introductions
Aquatic plant	Giant salvinia	Salvinia molesta	1. Prevention/EDRR		Recommended for regulating as Provincially Noxious
Aquatic plant	Hydrilla	Hydrilla verticillata	1. Prevention/EDRR		Prevent	Community Charters Act
Aquatic plant	Parrot's feather milfoil	Myriophyllum aquaticum	1. Prevention/EDRR		Proposed for regulating as Provincially Noxious - to be added to Provincial Priority List
Aquatic plant	Variable-leaf milfoil	Myriophyllum heterophyllum	1. Prevention/EDRR		Provincial Watchlist
Aquatic plant	Water chestnut	Trapa natans	1. Prevention/EDRR		Proposed for regulating as Provincial EDRR
Aquatic plant	Watercress	Nasturtium officinale	2. Eradication/ Annual Control	Kootenay Lake	Identified for Risk Assessment
Aquatic plant	Water hyacinth	Eichhornia crassipes	1. Prevention/EDRR		Provincial EDRR
Aquatic plant	Water lettuce	Pistia stratiotes L.	1. Prevention/EDRR		Provincial EDRR
Aquatic plant	Water primrose	Ludwigia hexapetala	1. Prevention/EDRR		Requires Risk Assessment - Provincial EDRR
Aquatic plant	Water soldier	Stratiotes aloides	1. Prevention/EDRR		Prevent
Aquatic plant	Yellow floating heart	Nymphoides peltata	1. Prevention/EDRR		Provincial EDRR
Disease	Infectious amphibian diseases (e.g. cytrid fungus, rana virus)	multiple	3. Containment	Creston Valley	Prevent
Disease	Whirling disease	Myxobolus cerebralis	1. Prevention/EDRR		Prevent
Fish	American shad	Alosa sapidissima	1. Prevention/EDRR		Prevent
Fish	Amur Goby	Rhinogobius brunneus	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Bighead carp	Hypophthalmichthys nobilis	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Bitterlings	All species from the Genus Rhodeus	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Black Carp	Mylophatyngodon piceus	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Black catfish (formerly Black bullhead)	Ameiurus melas	3. Containment	Creston Valley	Management	Controlled Alien Species Regulations
Fish	Black crappie	Pomoxis nigromaculatus	1. Prevention/EDRR		Management
Fish	Bluegill sunfish	Lepomis macrochirus	1. Prevention/EDRR		Management
Fish	Brook trout	Salvelinus fontinalis	4. Established; Strategic Management	Possibly most widely distributed non-native fish in the region	Unlisted
Fish	Brown catfish (formerly Brown bullhead)	Ameiurus nebulosus	3. Containment	Creston Valley, Pend D'Oreille River	Management	Controlled Alien Species Regulations
Fish	Brown trout	Salmo trutta	3. Containment	Columbia River, Pend D'Oreille River	Unlisted
Fish	Catfish	All species of the family Ictaluridae	3. Containment	Pend D'Oreille River. Various species present in B.C.	Prevent (Channel catfish, Ictalurus punctatus)	Controlled Alien Species Regulations
Fish	Common carp	Cyprinus carpio	3. Containment	Columbia River, Kootenay River, Pend D'Oreille River	Management
Fish	Eurasian Ruffe	Gymnocephalus cernua	1. Prevention/EDRR		Unlisted
Fish	Goldeye	Hiodon alosoides	1. Prevention/EDRR		Unlisted
Fish	Goldfish	Carassius auratus	1. Prevention/EDRR		Regional Containment/Control
Fish	Grass Carp	Ctenopharyngodon idella	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Green sunfish	Lepomis cyanellus	1. Prevention/EDRR		Prevent
Fish	Lake trout	Salvelinus namaycush	3. Containment	Columbia River, Kootenay River. Reports of sightings in Arrow Lakes	Unlisted
Fish	Lake whitefish	Coregonus clupeaformis	3. Containment	Arrow Lakes, Kootenay Lake, Columbia River	Unlisted
Fish	Large mouth bass	Micropterus salmoides	3. Containment	Present in many waterbodies in the CKISS Region	Management
Fish	Monkey Goby	Neogobius fluviatilis	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Muskellunge	Esox masquinongy	1. Prevention/EDRR		Prevent
Fish	Northern pike	Esox lucius	2. Eradication/ Annual Control	Columbia River, Pend D'Oreille River	Regional Containment/Control
Fish	Oriental weather loach	Misgurnus anguillicaudatus	1. Prevention/EDRR		Provincial EDRR	Controlled Alien Species Regulations
Fish	Prussian Carp	Carassius gibelio	1. Prevention/EDRR		Prevent
Fish	Pumpkinseed sunfish	Lepomis gibbosus	3. Containment	Present in many valley bottom lakes throughout the region	Management
Fish	Rainbow Smelt	Osmerus mordax	1. Prevention/EDRR		Unlisted
Fish	Red bellied piranha	Pygocentrus nattereri	1. Prevention/EDRR		Prevent
Fish	Rock bass	Ambloplites rupestris	1. Prevention/EDRR		Prevent
Fish	Rosy red minnow (or Fat head minnow)	Pimephales promelas	1. Prevention/EDRR		Provincial EDRR
Fish	Round Goby	Neogobius melanostomus	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Sea lamprey	Petromyzon marinus	1. Prevention/EDRR		Unlisted
Fish	Silver Carp	Hypophthalmichthys molitrix	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Small mouth bass	Micropterus dolomieu	3. Containment	Columbia River, Pend D'Oreille River	Management
Fish	Snakehead	All Channa sp. and Parachanna sp.	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Spottail shiner	Notropis hudsonius	1. Prevention/EDRR		Prevent
Fish	Tench	Tinca tinca	3. Containment	Columbia River, Pend D'Oreille River	Management	Controlled Alien Species Regulations
Fish	Tubenose Goby	Proterorhinus semilunaris	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Tui chub	Gila bicolor	1. Prevention/EDRR		Prevent
Fish	Walleye	Sander vitreus	3. Containment	Columbia River, Pend D'Oreille River	Management
Fish	Warmouth	Lepomis gulosus	1. Prevention/EDRR		Prevent
Fish	Western Mosquitofish	Gambusia affinis	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	White Cloud Minnow	Tanichthys albonubes	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Fish	Yellow catfish (formerly Yellow bullhead)	Ameiurus natalis	1. Prevention/EDRR		Management
Fish	Yellow perch	Perca flavescens	3. Containment	Present in many waterbodies; abundant where ecological niche permits throughout valley bottoms	Regional Containment/Control (in Thompson Nicola)
Invertebrate	Apple snail	Ampullariidae spp.	1. Prevention/EDRR		Prevent
Invertebrate	Asian clam	Corbicula fluminea	2. Eradication/ Annual Control	Pend D'Oreille River	Provincial Containment
Invertebrate	Cherry shrimp	Neocaridina davidi	1. Prevention/EDRR		Provincial Containment
Invertebrate	Chinese mystery snails	Bellamya chinesis	1. Prevention/EDRR		Provincial Containment
Invertebrate	Japanese and other mystery snails	Cipangopaludina	1. Prevention/EDRR		Unlisted
Invertebrate	Freshwater jellyfish	Craspedacusta sowerbyi	1. Prevention/EDRR		Management
Invertebrate	Marbled crayfish	Procambarus fallax f. virginalis	1. Prevention/EDRR		Prevent
Invertebrate	New Zealand mudsnail	Potamopyrgus antipodarum	1. Prevention/EDRR		Provincial Containment
Invertebrate	Virile crayfish	Orconectes virilis	1. Prevention/EDRR		Prevent
Invertebrate	Quagga mussel	Dreissena rostriformis bugensis	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Invertebrate	Red swamp crayfish	Procambarus clarkii	1. Prevention/EDRR		Provincial EDRR
Invertebrate	Ringed crayfish	Orconectes neglectus	1. Prevention/EDRR		Prevent
Invertebrate	Rusty crayfish	Orconectes rusticus	1. Prevention/EDRR		Prevent
Invertebrate	Spiny waterflea	Bythotrephes longimanus	1. Prevention/EDRR		Prevent
Invertebrate	Fishhook/Water waterfleas	Cercopagis pengoi, Bosmina coregoni (respectively)	1. Prevention/EDRR		Unlisted
Invertebrate	Zebra mussel	Dreissena polymorpha	1. Prevention/EDRR		Prevent	Controlled Alien Species Regulations
Riparian plant locations are within CKISS Invasive Plant Management Areas
Riparian plant	European common reed	Phragmites australis (P. australis [Cavanilles] Trinius ex Steudel)	2. Eradication/ Annual Control		Provincial EDRR	Weed Control Act; Community Charters Act; Forest and Range Practices Act
Riparian plant	Garden loosestrife	Lysimachia vulgaris	2. Eradication/ Annual Control		Regional Containment/Control
Riparian plant	Giant hogweed	Heracleum mantegazzianum	2. Eradication/ Annual Control		Provincial Containment	Weed Control Act
Riparian plant	Giant mannagrass/ Sweetgrass reed	Glyceria maxima	1. Prevention/EDRR		Proposed for regulating as Provincially Noxious	Weed Control Act
Riparian plant	Giant reed	Arundo donax L.	1. Prevention/EDRR		Provincial EDRR
Riparian plant	Knotweeds (Japanese, giant, himalayan, and bohemian)	Polygonum/ Fallopia sp.	3. Containment		Regional Containment/Control	Weed Control Act; Community Charters Act
Riparian plant	Policeman’s helmet/ Himalayan balsam	Impatiens glandulifera	3. Containment		Regional Containment/Control	Community Charters Act
Riparian plant	Purple Loosestrife	Lythrum salicaria	3. Containment		Regional Containment/Control	Weed Control Act; Community Charters Act
Riparian plant	Russian olive	Elaeagnus angustifolia	2. Eradication/ Annual Control		Management
Riparian plant	Salt Cedar	Tamarix aphylla	2. Eradication/ Annual Control		Regional Containment/Control
Riparian plant	Wand loosestrife	Lythrum virgatum	1. Prevention/EDRR		Unlisted
Riparian plant	Yellow flag-Iris	Iris pseudacorus	3. Containment		Regional Containment/Control	Weed Control Act; Community Charters Act; Forest and Range Practices Act
Vertebrate	African clawed frog	Xenopus laevis	1. Prevention/EDRR		Unlisted
Vertebrate	American bullfrog	Lithobates catesbeianus	2. Eradication/ Annual Control	Creston Valley, Nelway	Regional Containment/Control	Community Charters Act
Vertebrate	Green frog	Lithobates clamitans	1. Prevention/EDRR		Regional Containment/Control
Vertebrate	Nutria	Myocastor coypus	1. Prevention/EDRR		Prevent
Vertebrate	Red-eared Slider	Trachemys scripta elegans	1. Prevention/EDRR		Regional Containment/Control
Vertebrate	Snapping turtle	Chelydra serpentina	1. Prevention/EDRR		Regional Containment/Control
Vertebrate	Soft-shelled turtle	All species of the family Trionychidae	1. Prevention/EDRR		Prevent
Vertebrate	Yellow-bellied Slider	Trachemys scripta scripta	1. Prevention/EDRR		Unlisted

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Download CKISS Aquatic Invasive Species Priority List Apr2024
Click here to learn what each priority means and its management approach.

CKISS has also created an iNaturalist Guide to Invasive Fauna of the Central Kootenay which includes photos of many aquatic invasive species.