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Tier 3 - Established

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Dreissena polymorpha Zebra Mussel
Euonymus fortunei Winter Creeper, Climbing spindle-tree
Anthriscus sylvestris Wild chervil
Trapa natans Water Chestnut
Acer pseudoplatanus Sycamore maple
Ulmus pumila Siberian elm
Orconectes rusticus Rusty crayfish
Paulownia tomentosa Princess tree, Empress tree
Ampelopsis brevipedunculata Porcelainberry
Cardamine impatiens Narrowleaf bittercress
Persicaria perfoliata (Polygonum perfoliatum) Mile-a-minute, Asiatic tearthumb
Ficaria verna Lesser celandine, Fig buttercup
Euphorbia esula Leafy spurge
Rhodotypos scandens Jetbead
Clematis terniflora Japanese virgin's-bower, Yam-leaved virgin's-bower, Sweet autumn virgin's-bower
Humulus japonicus Japanese hops
Aralia elata Japanese angelica tree
Adelges tsugae Hemlock Woolly Adelgid
Aegopodium podagraria Goutweed, bishop's goutweed
Frangula alnus (Rhamnus frangula) Glossy buckthorn, Smooth buckthorn
Agrilus planipennis Emerald Ash Borer
Euphorbia cyparissias Cypress spurge
Cyprinus carpio Common carp
Miscanthus sinensis Chinese Silver Grass
Eriocheir sinensis Chinese mitten crab
Najas minor Brittle naiad
Pyrus calleryana Bradford pear
Ligustrum obtusifolium Border Privet
Cynanchum louiseae (C. nigrum, Vincetoxicum nigrum) Black swallowwort
Lonicera maackii Amur Honeysuckle
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