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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
Rhodotypos scandens Jetbead Plants Shrub or woody bush Tier 3 - Established
Rhamnus cathartica Common buckthorn Plants Tree Tier 4 - Widespread
Quercus acutissima Sawtooth oak Plants Tree Tier 5 - Watch
Pyrus calleryana Bradford pear Plants Tree Tier 3 - Established
Pueraria montana Kudzu Plants Vine Tier 2 - Emerging
Prunus avium Bird cherry Plants Tree Tier 4 - Widespread
Primula japonica Japanese primrose Plants Other Herbaceous Tier 2 - Emerging
Potamogeton crispus Curly-leaf pondweed Plants Aquatic Invasives Tier 4 - Widespread
Populus alba White poplar Plants Tree Tier 5 - Watch
Polygonum cuspidatum, Polygonum sachalinensis and Polygonum × bohemica Knotweed: Japanese knotweed, giant knotweed and Bohemian knotweed Plants Other Herbaceous Tier 4 - Widespread
Phragmites australis Common reed grass Plants Grass-like Plant Tier 4 - Widespread
Photinia villosa Oriental Photinia Plants Shrub or woody bush Tier 2 - Emerging
Phellodendron amurense Amur corktree Plants Tree Tier 2 - Emerging
Phalaris arundinacea Reed canarygrass Plants Grass-like Plant Tier 4 - Widespread
Petasites japonicus Fuki, Butterbur Plants Other Herbaceous Tier 5 - Watch
Petasites hybidus Butterbur Plants Other Herbaceous Tier 5 - Watch
Persicaria perfoliata (Polygonum perfoliatum) Mile-a-minute, Asiatic tearthumb Plants Vine Tier 3 - Established
Perilla frutescens Beefsteak plant Plants Other Herbaceous Tier 2 - Emerging
Pennisetum alopecuroides Fountain grass, Chinese fountain grass Plants Grass-like Plant Tier 1 - Threat
Paulownia tomentosa Princess tree, Empress tree Plants Tree Tier 3 - Established

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