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Species Information

Below is an alphabetical listing (by scientific name) of some of the invasive species in our region. Click on the column header to sort by that column or search using the filter below.

Species (Scientific) Species (Common) Biological Category Typesort ascending Status
Houttuynia cordata Chameleon plant Plants Other Herbaceous Tier 5 - Watch
Centaurea nigra Black knapweed, Lesser knapweed Plants Other Herbaceous Tier 4 - Widespread
Cardamine impatiens Narrowleaf bittercress Plants Other Herbaceous Tier 3 - Established
Hyacinthoides hispanica Spanish bluebells Plants Other Herbaceous Tier 5 - Watch
Perilla frutescens Beefsteak plant Plants Other Herbaceous Tier 2 - Emerging
Cirsium vulgare Bull thistle Plants Other Herbaceous Tier 4 - Widespread
Cirsium arvense Canada thistle Plants Other Herbaceous Tier 4 - Widespread
Vinca minor Common periwinkle, Lesser periwinkle Plants Other Herbaceous Tier 5 - Watch
Centaurea stoebe Spotted knapweed Plants Other Herbaceous Tier 4 - Widespread
Primula japonica Japanese primrose Plants Other Herbaceous Tier 2 - Emerging
Dipsacus fullonum Fuller's teasel, common teasel, venuscup Plants Other Herbaceous Tier 4 - Widespread
Euphorbia cyparissias Cypress spurge Plants Other Herbaceous Tier 3 - Established
Lamium galeobdolon Yellow archangel Plants Other Herbaceous Tier 5 - Watch
Achyranthes japonica Japanese Chaff Flower Plants Other Herbaceous Tier 1 - Threat
Phalaris arundinacea Reed canarygrass Plants Grass-like Plant Tier 4 - Widespread
Carex kobomugi Asiatic sand sedge, Japanese sedge Plants Grass-like Plant Tier 1 - Threat
Arthraxon hispidus Small carpetgrass, Hairy jointgrass Plants Grass-like Plant Tier 2 - Emerging
Glyceria maxima Reed manna grass Plants Grass-like Plant Tier 1 - Threat
Arundo donax Giant reed Plants Grass-like Plant Tier 2 - Emerging
Microstegium vimineum Japanese stiltgrass Plants Grass-like Plant Tier 4 - Widespread

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