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 |
