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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
Japanese Hops 2
Humulus japonicus
Norway maple 3
Acer platanoides
Tree of heaven 4
Ailanthus altissima
garlic mustard 5
Alliaria petiolata
European Alder 6
Alnus glutinosa
Japanese barberry 7
Berberis thunbergii
European barberry 8
Berberis vulgaris
Oriental bittersweet 9
Celastrus orbiculatus
spotted knapweed 10
Centaurea stoebe
Black Swallow-wort 11
Vincetoxicum nigrum
European swallow-wort 12
Vincetoxicum rossicum
winged euonymus 13
Euonymus alatus
autumn olive 14
Elaeagnus umbellata
alder buckthorn 15
Frangula alnus
Giant Hogweed 16
Heracleum mantegazzianum
dame's rocket 17
Hesperis matronalis
Himalayan balsam 18
Impatiens glandulifera
broadleaved pepperweed 19
Lepidium latifolium
Broad-leaf Waterleaf 20
Hydrophyllum canadense
border privet 21
Ligustrum obtusifolium
Common Privet 22
Ligustrum vulgare
Amur honeysuckle 3
Lonicera maackii
Japanese honeysuckle 23
Lonicera japonica
Tatarian honeysuckle 24
Lonicera tatarica
Morrow's honeysuckle 25
Lonicera morrowii
Bell's Honeysuckle 26
Lonicera × bella
creeping Jenny 27
Lysimachia nummularia
Giant Knotweed 28
Reynoutria sachalinensis
kudzu 29
Pueraria montana
mile-a-minute weed 30
Persicaria perfoliata
Bohemian Knotweed 31
Reynoutria × bohemica
common buckthorn 32
Rhamnus cathartica
multiflora rose 33
Rosa multiflora
velvetleaf 34
Abutilon theophrasti
Amur Maple 35
Acer ginnala
corn cockle 23
Agrostemma githago
false indigo 36
Amorpha fruticosa
Japanese angelica tree 37
Aralia elata
bitter wintercress 38
Barbarea vulgaris
Brown Mustard 39
Brassica juncea
Black Mustard 40
Brassica nigra
narrow-leaved bittercress 41
Cardamine impatiens
Brown Knapweed 42
Centaurea jacea
black knapweed 23
Centaurea nigra
Greater celandine 43
Chelidonium majus
Marsh Thistle 44
Cirsium palustre
bull thistle 45
Cirsium vulgare
field bindweed 46
Convolvulus arvensis
common broom 47
Cytisus scoparius
Great Willowherb 48
Epilobium hirsutum
Spindle 49
Euonymus europaeus
fortune's spindle 50
Euonymus fortunei
lesser celandine 51
Ficaria verna
Slender Snakecotton 52
Froelichia gracilis
Hedge Bedstraw 49
Galium mollugo
ground-ivy 53
Glechoma hederacea
Orpine 54
Hylotelephium telephium
Kochia scoparia 55
Bassia scoparia
henbit deadnettle 56
Lamium amplexicaule
red deadnettle 57
Lamium purpureum
Fly Honeysuckle 58
Lonicera xylosteum
Large-leaved lupine 59
Lupinus polyphyllus
Lychnis flos-cuculi 60
Silene flos-cuculi
scarlet pimpernel 61
Lysimachia arvensis
Yellow Loosestrife 62
Lysimachia vulgaris
Wall Lettuce 63
Mycelis muralis
water forget-me-not 45
Myosotis scorpioides
Narrow-fruited Watercress 64
Nasturtium microphyllum
watercress 65
Nasturtium officinale
Java water-dropwort 66
Oenanthe javanica
low smartweed 67
Persicaria longiseta
Amur Corktree 68
Phellodendron amurense
white poplar 69
Populus alba
Creeping buttercup 60
Ranunculus repens
Jointed Charlock 70
Raphanus raphanistrum
Yellow Rattle 71
Rhinanthus minor
Sheep's sorrel 72
Rumex acetosella
purple crownvetch 65
Securigera varia
cup plant 33
Silphium perfoliatum
Wild Mustard 73
Sinapis arvensis
Carolina horsenettle 74
Solanum carolinense
bittersweet nightshade 75
Solanum dulcamara
Perennial Sow Thistle 76
Sonchus arvensis
Sorbaria 77
Sorbaria sorbifolia
tansy 78
Tanacetum vulgare
colt's-foot 71
Tussilago farfara
common valerian 23
Valeriana officinalis
lesser periwinkle 79
Vinca minor

Edited by Brendon Barnes, some rights reserved (CC BY-NC)

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