Invasive Species of Southeast New Hampshire
A short guide to some of the invasive species found in the southeastern corner of New Hampshire (area near Portsmouth).
Asiatic Knotweed
1
Reynoutria japonica
Giant Knotweed
2
Reynoutria sachalinensis
mile-a-minute weed
3
Persicaria perfoliata
Bohemian Knotweed
4
Reynoutria × bohemica
corn cockle
5
Agrostemma githago
Slender Snakecotton
6
Froelichia gracilis
Kochia scoparia
7
Bassia scoparia
Lychnis flos-cuculi
8
Silene flos-cuculi
low smartweed
9
Persicaria longiseta
