Northeast

Ailanthus altissima

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Ailanthus altissima (tree of heaven)
Acer negundo Box elder   The Nashua Conservation Commission; New Jersey Audubon Society
Amelanchier arborea Downy serviceberry   Connecticut River Coastal Conservation District
Amelanchier canadensis Canadian serviceberry   Connecticut River Coastal Conservation District
Cornus florida Flowering dogwood   Connecticut River Coastal Conservation District
Fraxinus americana White ash  

New Jersey Audubon Society

Fraxinus pennsylvanica Green ash  

New Jersey Audubon Society

Ostrya virginiana Ironwood  

The Nashua Conservation Commission

Sassafras albidum Sassafras  

The Nashua Conservation Commission

 

Alliaria petiolata 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Alliaria periolata (garlic mustard)
Dryopteris intermedia Intermediate woodfern   New Jersey Audubon Society

Dryopteris marginalis Marginal woodfern   New Jersey Audubon Society
Thelypteris noveboracensis New York fern   New Jersey Audubon Society
Tiarella cordifolia Heartleaf foamflower   Connecticut River Coastal Conservation District;New Jersey Audubon Society

 

Ampelopsis brevipedunculata 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources

Ampelopsis brevipedunculata 
(porcelainberry)

Cornus racemosa Gray dogwood   The United States National Arboretum

Lonicera sempervirens Trumpet honeysuckle   The Nashua Conservation Commission
Parthenocissus quinquefolia Virginia creeper   The United States National Arboretum; The Nashua Conservation Commission
Viburnum nudum Swamp haw viburnum   The United States National Arboretum

 

Berberis thunbergii 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Berberis thunbergii (Japanese barberry)
Clethra alnifolia Coastal sweetpepperbush   Connecticut River Coastal Conservation DistrictNew Jersey Audubon Society

Cornus amomum Silky dogwood   Connecticut River Coastal Conservation District; The Nashua Conservation Commission
Hypericum prolificum Shrubby St. Johnswort   The United States National Arboretum
Ilex verticillata Winder bayberry   U.S. Fish and Wildlife Service; Connecticut River Coastal Conservation District; The United States National Arboretum; Connecticut Invasive Species Working Group; The Nashua Conservation Commission
Lindera benzoin Northern spicebush   New Jersey Audubon Society
Morella pensylvanica Bayberry   U.S. Fish and Wildlife Service; Connecticut River Coastal Conservation District; Connecticut Invasive Species Working Group; The Nashua Conservation CommissionNew Jersey Audubon Society
Physocarpus opulifolius Common ninebark   The Nashua Conservation Commission
Rosa carolina Carolina rose   New Jersey Audubon Society
Rosa palustris Swamp rose   New Jersey Audubon Society
Vaccinium corymbosum Highbush blueberry   U.S. Fish and Wildlife ServiceConnecticut Invasive Species Working GroupNew Jersey Audubon Society

Butomus umbellatus 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Butomus umbellatus (flowering rush)
Eleocharis palustris Common spikerush Marginal Penn State Extension

Carassius auratus

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Carassius auratus (goldfish)
Notemigonus crysoleucas Golden shiner   Penn State Extension

Celastrus orbiculatus 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Celastrus orbiculatus (oriental bittersweet)
Celastrus scandens American bitersweet   The United States National Arboretum; The Nashua Conservation Commission

Clematis virginiana Virgin's bower   Connecticut River Coastal Conservation District
Lonicera sempervirens Trumpet honeysuckle   Connecticut River Coastal Conservation District
Parthenocissus quinquefolia Virginia creeper   Connecticut River Coastal Conservation District
Rosa virginiana Virginia rose   The United States National Arboretum
Vitis labrusca Fox grape   Connecticut River Coastal Conservation District

Cyprinus carpio 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Cyprinus carpio (koi)
Pimephales promelas Fathead minnow, Rosy-red strain   Penn State Extension

Egeria densa 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Egeria densa (Brazilian elodea)
Elodea canadensis American waterweed Submerged The Nashua Conservation CommissionPenn State Extension

Eichhornia azurea

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Eichhornia azurea (anchored water hyacinth)
Nuphar lutea Spatterdock Floating Penn State Extension

Eichhornia crassipes 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Eichhornia crassipes (water hyacinth)
Nuphar lutea Spatterdock Floating Penn State Extension 

Hydrilla verticillata 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Hydrilla verticillata (hydrilla)
Ceratophyllum demersum Coontail Submerged Penn State Extension
Elodea canadensis American waterweed Submerged U.S. Fish and Wildlife Service

Ipomoea aquatica 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Ipomoea aquatica (water spinach)
Nymphaea odorata Fragrant water lily Floating Penn State Extension

Iris pseudoacorus 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Iris pseudoacorus 
(yellow water-flag)
Iris versicolor Blue flag iris Marginal Penn State Extension

Lagarosiphon major

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Lagarosiphon major (oxygen weed)
Elodea canadensis Elodea Submerged Penn State Extension

Lespedeza cuneata 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Lespedeza cuneata (Chinese bush clover)
Elymus virginicus Virginia wild rye   New Jersey Audubon Society
Schizachyrium scoparium Little bluestem   New Jersey Audubon Society
Senna hebecarpa American senna   New Jersey Audubon Society

Lonicera japonica 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Lonicera japonica (Japanese honeysuckle)
Clethra alnifolia Coastal sweetpepperbush   New Jersey Audubon Society
Lindera benzoin Northern spicebush   The United States National Arboretum;New Jersey Audubon Society
Lonicera dioica Limber honeysuckle   U.S. Fish and Wildlife Service
Lonicera sempervirens Trumpet Honeysuckle   U.S. Fish and Wildlife Service; The United States National Arboretum; The Nashua Conservation Commission;New Jersey Audubon Society
Vaccinium corymbosum Highbush blueberry   The United States National Arboretum;New Jersey Audubon Society
Viburnum dentatum Southern arrowwood   The United States National Arboretum;New Jersey Audubon Society

Lonicera morrowii 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Lonicera morrowii (morrow honeysuckle)
Lonicera morrowii Gray dogwood   The Nashua Conservation Commission

Lindera benzoin Northern spicebush   The United States National Arboretum; The Nashua Conservation Commission;New Jersey Audubon Society
Morella pensylvanica Bayberry   The Nashua Conservation Commission
Vaccinium corymbosum Highbush blueberry   The United States National Arboretum;New Jersey Audubon Society
Viburnum dentatum Southern arrowwood   The United States National Arboretum; The Nashua Conservation CommissionNew Jersey Audubon Society

Lonicera tatarica 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Lonicera tatarica (tartarian honeysuckle)
Cornus racemosa Gray dogwood   The Nashua Conservation Commission

Lindera benzoin Norther spicebush   The Nashua Conservation CommissionNew Jersey Audubon Society
Morella pensylvanica Bayberry   The Nashua Conservation Commission
Vaccinium corymbosum Highbush blueberry   New Jersey Audubon Society
Viburnum dentatum Southern arrowwood   The Nashua Conservation CommissionNew Jersey Audubon Society

Lythrum salicaria

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Lythrum salicaria (purple loosestrife)
Asclepias incarnata Swamp milkweed   U.S. Fish and Wildlife Service;Connecticut River Coastal Conservation District; The United States National ArboretumConnecticut Invasive Species Working Group
Clethra alnifolia Coastal sweetpepperbush   The United States National Arboretum
Eupatorium dubium Joe-pye weed   U.S. Fish and Wildlife Service;Connecticut River Coastal Conservation District; Connecticut Invasive Species Working GroupNew Jersey Audubon Society
Lobelia cardinalis Cardinalflower   New Jersey Audubon Society
Physostegia virginiana Obedient plant   The Nashua Conservation Commission;New Jersey Audubon Society
Polygonum lapathifolium Curlytop knotweed   New Jersey Audubon Society
Pontederia cordata Pickerelweed Free floating Penn State Extension
Rudbeckia laciniata Green-headed coneflower   The United States National Arboretum
Verbena hastata Swamp verbena   New Jersey Audubon Society

Myriophyllum aquaticum

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Myriophyllum aquaticum (parrot's feather watermilfoil)
Ceratophyllum demersum Coontail Submerged Penn State Extension

Myriophyllum heterophyllum

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Myriophyllum heterophyllum
(variable milfoil)
Potamogeton nodosus Longleaf pondweed Submerged The Nashua Conservation Commission

Myriophyllum spicatum

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Myriophyllum spicatum (European watermilfoil)
Elodea canadensis Elodea Submerged Penn State Extension

Nymphoides peltata

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Nymphoides peltata (yellow floating heart)
Nuphar lutea Spatterdock Floating Penn State Extension

Phragmites australis

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Phragmites australis (common reed)
Andropogon gerardii Big bluestem   Connecticut River Coastal Conservation District

Carex scoparia Broom sedge   Connecticut River Coastal Conservation District
Panicum virgatum Switchgrass   Connecticut River Coastal Conservation District
Salix discolor Pussy willow   Connecticut River Coastal Conservation District

Pistia stratiotes 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Pistia stratiotes (water lettuce)
Potamogeton natans Floating leaf pondweed Submerged Penn State Extension

Polygonum cuspidatum

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Polygonum cuspidatum 
(Japanese knotweed)
Cephalanthus occidentalis Common buttonbush   Connecticut River Coastal Conservation District
Clethra alnifolia Coastal sweetpepperbush   New Jersey Audubon Society
Cornus amomum Silky dogwood   New Jersey Audubon Society
Eupatorium perfoliatum Common boneset   Connecticut River Coastal Conservation District
Lindera benzoin Norther spicebush   Connecticut River Coastal Conservation District
 Salix discolor Pussy willow    Connecticut River Coastal Conservation District
 Salix sericea  Silky willow   Connecticut River Coastal Conservation District
 Sambucus racemosa Red elderberry    Connecticut River Coastal Conservation District

 

Populus alba 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Populus alba (white popular)
Acer rubrum Red maple   The Nashua Conservation Commission
Quercus alba White oak   The Nashua Conservation Commission

 

Ranunculus ficaria

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Ranunculus ficaria (fig buttercup)
Geranium maculatum Spotted geranium   New Jersey Audubon Society
Packera aurea Golden ragwort   The United States National Arboretum
Tiarella cordifolia Heartleaf foamflower   New Jersey Audubon Society

 

Rhamnus frangula 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Rhamnus frangula (glossy buckthorn)
Aronia melanocarpa Black chokeberry   The Nashua Conservation Commission
Cornus amomum Silky dogwood   The Nashua Conservation Commission
Cornus racemosa Gray dogwood   The Nashua Conservation Commission
Hamamelis virginiana American witch-hazel   The Nashua Conservation Commission
Physocarpus opulifolius Common ninebark   The Nashua Conservation Commission
Viburnum dentatum Southern arrowwood   The Nashua Conservation Commission
Viburnum lentago Nannyberry   The Nashua Conservation Commission
Viburnum recognitum Southern arrowwood   The Nashua Conservation Commission

Rosa multiflora 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Rosa multiflora (mulitiflora rose)
Clethra alnifolia Coastal sweetpepperbush   Connecticut River Coastal Conservation District
Ilex verticillata Winter bayberry   Connecticut River Coastal Conservation District
Rosa carolina Carolina rose   U.S. Fish and Wildlife ServiceNew Jersey Audubon Society
Rosa palustris Swamp rose   Connecticut River Coastal Conservation DistrictNew Jersey Audubon Society
Rosa virginiana Virginia rose   U.S. Fish and Wildlife Service
Rubus allegheniensis Allegheny blackberry   New Jersey Audubon Society
Vaccinium corymbosum Highbush blueberry   Connecticut River Coastal Conservation District

Rubus phoenicolasius

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Rubus phoenicolasius 
(wineberry)
Aronia melanocarpa Black chokeberry   New Jersey Audubon Society
Ilex verticillata Winter bayberry   New Jersey Audubon Society
Lindera benzoin Northern spicebush   New Jersey Audubon Society
Rubus allegheniensis Allegheny blackberry   New Jersey Audubon Society

Trapa natans 

Invader Scientific and Common NameAlternative Scientific NameAlternative Common NamePlant TypeSources
Trapa natans (water chestnut)
Potamogeton natans Floating leaf pondweed Submerged Penn State Extension