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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)sort ascending Species (Common) Biological Category Type Status
Imperata cylindrica Cogon grass Plants Grass-like Plant Tier 1 - Threat
Impatiens glandulifera Himalayan balsam, Policeman's helmet, Ornamental jewelweed Plants Other Herbaceous Tier 1 - Threat
Ilex crenata Japanese holly Plants Shrub or woody bush Tier 5 - Watch
Hydrocharis morsus-ranae Frogbit Plants Aquatic Invasives Tier 1 - Threat
Hydrilla verticillata Hydrilla, water-thyme Plants Aquatic Invasives Tier 2 - Emerging
Hyacinthoides hispanica Spanish bluebells Plants Other Herbaceous Tier 5 - Watch
Humulus japonicus Japanese hops Plants Vine Tier 3 - Established
Houttuynia cordata Chameleon plant Plants Other Herbaceous Tier 5 - Watch
Heracleum mantegazzianum Giant Hogweed Plants Other Herbaceous Tier 2 - Emerging
Gypsophila paniculata Tall baby's-breath Plants Other Herbaceous Tier 2 - Emerging
Glyceria maxima Reed manna grass Plants Grass-like Plant Tier 1 - Threat
Frangula alnus (Rhamnus frangula) Glossy buckthorn, Smooth buckthorn Plants Shrub or woody bush Tier 3 - Established
Ficaria verna Lesser celandine, Fig buttercup Plants Other Herbaceous Tier 3 - Established
Euphorbia lathyris Mole plant, Caper spurge Plants Other Herbaceous Tier 5 - Watch
Euphorbia esula Leafy spurge Plants Other Herbaceous Tier 3 - Established
Euphorbia cyparissias Cypress spurge Plants Other Herbaceous Tier 3 - Established
Euonymus fortunei Winter Creeper, Climbing spindle-tree Plants Vine Tier 3 - Established
Euonymus europaeus European spindle-tree (spindle-tree) Plants Shrub or woody bush Tier 5 - Watch
Euonymus alatus Burning-bush, Winged spindle Plants Shrub or woody bush Tier 4 - Widespread
Eriocheir sinensis Chinese mitten crab Aquatic Invertebrate Tier 3 - Established

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