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INVASIVE PLANTS and SPECIES

Plant names are linked to the United States Department of Agriculture Invasive PLANTS database website or NHDES Exotic Species website.

Common Name Scientific Name
AQUATIC  
Variable Milfoil Myriophyllum heterophyllum
Eurasian Milfoil Myriophyllum spicatum
Fanwort Cabomba caroliniana
Brazilian Waterweed Egeria densa
Water Chestnut Trapa natans
Didymo (Rock Snot) Didymosphenia geminata
Zebra Mussel Dreissena polymorpha
The Frightful Fourteen
EXOTIC SPECIES  
Purple Loosestrife Lythrum salicaria
Common Reed Phragmites australis
Garlic Mustard Alliaria petiolata
Japanese Knotweed Polygonum cuspidatum
Multiflora Rose Rosa multiflora
Japanese Honeysuckle Lonicera japonica
Houndstongue Cynoglossum officinale L.
Autumn Olive Elaeagnus umbellata
Quackgrass Elymus repens
St. Johnswort Hypericum perforatum
Scotch Broom Cytisus scoparius

Source: NHDES Exotic Species website and USDA Invasive PLANTS database

This a partial list.

Map of places where Exotic Species have been found in NH