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Tier 3 - Established

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