Invasive Plants to Watch for on Wassumkeag Island (Sears Island)

Some of these plants are already present on the island, and some are found nearby. All of these are destructive to native plants, animals and ecosystems. Please report any invasive plants from this list you see on the island! You can report invasives on our website at ...more ↓

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Winged Euonymus 1
Euonymus alatus
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Garlic Mustard 2
Alliaria petiolata
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Cypress Spurge 3
Euphorbia cyparissias
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Garden lupine 4
Lupinus polyphyllus
Purple Loosestrife
Lythrum salicaria
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Morrow's Honeysuckle 5
Lonicera morrowii
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Multiflora Rose 6
Rosa multiflora
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Glossy Buckthorn 3
Frangula alnus
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Common Buckthorn 7
Rhamnus cathartica
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Autumn Olive 8
Elaeagnus umbellata
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Himalayan Balsam 9
Impatiens glandulifera
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Black Swallow-wort 10
Cynanchum louiseae
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Japanese Knotweed 11
Fallopia japonica
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Oriental Bittersweet 12
Celastrus orbiculatus
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Creeping Thistle 13
Cirsium arvense
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Bull Thistle 14
Cirsium vulgare
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Coltsfoot 15
Tussilago farfara
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Norway Maple 16
Acer platanoides
Purple Loosestrife
Lythrum salicaria
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Japanese Barberry 17
Berberis thunbergii
Small
Bittersweet Nightshade 18
Solanum dulcamara
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Morrow's Honeysuckle 5
Lonicera morrowii
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Tatarian honeysuckle 19
Lonicera tatarica
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Common Valerian 20
Valeriana officinalis
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Giant Hogweed 21
Heracleum mantegazzianum
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Garlic Mustard 2
Alliaria petiolata
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tufted hair grass 1
Deschampsia cespitosa
Woods Bluegrass
Poa nemoralis nemoralis
4658497230 a902cdc888 m
Reed Canarygrass 22
Phalaris arundinacea
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Common Reed 23
Phragmites australis

Edited by Aleta M., some rights reserved (CC BY-SA)

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