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 |
Type |
Status |
|---|---|---|---|---|
| Centaurea jacea | Brown knapweed, Brown starthistle | Plants | Other Herbaceous | Tier 4 - Widespread |
| 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 |
| Hydrocharis morsus-ranae | Frogbit | Plants | Aquatic Invasives | Tier 1 - Threat |
| Potamogeton crispus | Curly-leaf pondweed | Plants | Aquatic Invasives | Tier 4 - Widespread |
| Crassula helmsii | Swamp crop, Pygmyweed | Plants | Aquatic Invasives | Tier 1 - Threat |
| Myriophyllum spicatum | Eurasian Watermilfoil | Plants | Aquatic Invasives | Tier 4 - Widespread |
| Trapa natans | Water Chestnut | Plants | Aquatic Invasives | Tier 3 - Established |
