FVIPC
Fraser Valley Invasive Plant Council

Priority Species

The FVIPC holds a strategic planning session every Spring where we update the list of priority species for management that field season and identify high priority areas for invasive plant management.

 

orange hogweed reducing forage-fvipc

We currently have four categories for invasive plants:

PREVENT: Species not known to occur in the region but likely to establish if introduced. Watch for, and if found, eradicate.

  • Russian knapweed Acroptilon repens
  • Garlic mustard Alliaria petiolata
  • Common bugloss Anchusa officinalis
  • Bur chervil Anthriscus caucalis
  • Giant reed Arundo donax
  • Flowering rush Butomus umbellatus
  • Yellow starthistle Centaurea solstitialis
  • Marsh plume thistle Cirsium palustre
  • Common crupina Crupina vulgaris
  • Leafy spurge Euphorbia esula
  • Giant mannagrass Glyceria maxima
  • Yellow bush lupine Lupinus arboreus
  • Yellow loosestrife Lysimachia punctata
  • Garden loosestrife Lysimachia vulgaris
  • Wand loosestrife Lythrum virgatum
  • Common reed Phragmites australis ssp. Australis
  • Curled pondweed Potamogeton crispus
  • Kudzu Pueraria montana; Pueraria lobata
  • Carpet burweed Soliva sessilis
  • Milk thistle Sylibum marianum
  • Gorse Ulex europaeus

ERADICATE: Species known to occur in limited distribution and low density. Eradicate if found. Species in this category:

  • Hound's-tongue Cynoglossum officinale
  • Spurge laurel/Daphne Daphne laureola
  • Baby's breath Gypsophila paniculata
  • Giant hogweed Heracleum mantegazzianum
  • Yellow flag-iris Iris pseudachoris

CONTAIN: Established infestations found in portions of the region. Contain existing infestations and prevent spread to uninfested areas.

  • Wild chervil Anthriscus sylvestris
  • Hoary alyssum Berteroa incana
  • Knapweeds (Diffuse, Spotted, Mountain bluet, Meadow) Centaurea diffusa; C. maculosa/ Centaurea stoebe ssp micranthos; C. montana; C. pratensis
  • Scotch broom Cytisus scoparius
  • Knotweeds (Japanese, Giant, Bohemian, Himalayan) Fallopia japonica; Fallopia sachalinese, Fallopia x bohemica, Polygonum polystachyum
  • Toadflaxes (Dalmatian, Yellow) Linaria genistifolia ssp dalmatica; Linaria vulgaris

CONTROL: Established infestations common and widespread throughout the Fraser Valley. Focus control in high value areas and use biological control if available.

  • Butterfly bush Buddleja davidii
  • Cheatgrass Bromus tectorum
  • Wild clematis Clematis vitalba
  • Poison hemlock Conium maculatum
  • Morning glory/Bindweed Convulvulus spp.
  • English hawthorn Crataegus monogyna
  • Orchardgrass Dactylis glomerata
  • Blueweed Echium vulgare
  • Cypress spurge Euphorbia cyparissias
  • English ivy Hedera helix and varieties
  • Hawkweeds (Orange and Yellow) Hieracium aurantiacum; H. piloselloides; H. caespitosum; H. praealtum; H. flagellar
  • Hops Humulus lupulus
  • St. John's wort Hypericum perforatum
  • English holly Ilex aquifolium
  • Small touch-me-not Impatiens parviflora
  • Pacific jewelweed Impatiens x pacifica
  • Himalayan balsam/Policeman's helmet Impatiens glandulifera
  • Yellow archangel/Yellow lamium Lamiastrum/Lamium galeobdolon
  • Purple loosestrife Lythrum salicaria
  • Parrot feather Myriophyllum aquaticum
  • Eurasian water-milfoil Myriophyllum spicatum
  • Reed canarygrass Phalaris arundinaceae
  • Sulphur cinquefoil Potentilla recta
  • Himalayan blackberry; Evergreen blackberry Rubus armeniacus; Rubus lacianatus
  • Tansy ragwort Senecio jacobaea
  • Scentless chamomile/Mayweed Tripleurospermum inodorum
  • Periwinkle Vinca minor, Vinca spp.