| Amur peppervine |
Ampelopsis brevipedunculata |
4 |
| common periwinkle |
Vinca minor |
2 |
| garlic mustard |
Alliaria petiolata |
2 |
| ground ivy |
Glechoma hederacea |
3 |
| hedge smartweed |
Polygonum scandens |
1 |
| Japanese barberry |
Berberis thunbergii |
1 |
| Japanese honeysuckle |
Lonicera japonica |
4 |
| Japanese knotweed |
Fallopia japonica |
1 |
| Japanese pachysandra |
Pachysandra terminalis |
2 |
| lesser celandine, fig buttercup |
Ficaria verna |
2 |
| mile-a-minute weed |
Persicaria perfoliata |
2 |
| multiflora rose |
Rosa multiflora |
3 |
| oriental bittersweet |
Celastrus orbiculatus |
1 |
| princesstree |
Paulownia tomentosa |
2 |
| purple deadnettle |
Lamium purpureum |
1 |
| purple loosestrife |
Lythrum salicaria |
1 |
| sericea lespedeza |
Lespedeza cuneata |
1 |
| tree-of-heaven |
Ailanthus altissima |
2 |
| winter creeper |
Euonymus fortunei |
1 |