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EwA Guide to Common Invasive Species in Middlesex County (MA, US)

An EwA companion guide to the common invasive species (fauna + flora) found in Middlesex County (Massachusetts, U.S.). This facilitates their identification in the field, allowing us to remove them when possible. This is a work in progress, and we invite you to tell us what to add. We also ...more ↓

Black Swallow-Wort 1
Vincetoxicum nigrum
Oriental Bittersweet 2
Celastrus orbiculatus
Japanese Barberry 1
Berberis thunbergii
Japanese Knotweed 3
Fallopia japonica
Norway maple 4
Acer platanoides
Garlic Mustard 5
Alliaria petiolata
Multiflora Rose 6
Rosa Multiflora
Porcelain Berry 5
Ampelopsis glandulosa
Common Reed 5
Phragmites australis
Border privet 7
Ligustrum obtusifolium
Common Privet 8
Ligustrum vulgare
Autumn Olive 1
Elaeagnus umbellata
Morrow's Honeysuckle 1
Lonicera morrowii
Mile-a-minute Weed 1
Persicaria perfoliata
Dame's Rocket 9
Hesperis matronalis
Japanese Honeysuckle 1
Lonicera japonica
Glossy Buckthorn 10
Frangula alnus
Black Locust 11
Robinia pseudoacacia
Lesser Celandine 10
Ficaria verna
Tree-of-Heaven 1
Ailanthus altissima
Purple Loosestrife 9
Lythrum salicaria
Winged Euonymus 5
Euonymus alatus
Yellow Iris 9
Iris pseudacorus
Creeping Jenny 1
Lysimachia nummularia
Yellow Horned Poppy 12
Glaucium flavum
Lipaphis alliariae 13
Grey Willow 1
Salix atrocinerea
Broadleaf Water-milfoil 14
Myriophyllum heterophyllum
Sycamore Maple 1
Acer pseudoplatanus
European Reed 1
Phragmites australis australis
Common Buckthorn 9
Rhamnus cathartica
Greater Celandine 11
Chelidonium majus
Broadleaved Pepperweed 15
Lepidium latifolium
African Love Grass 16
Eragrostis curvula
Spotted Lanternfly 17
Lycorma delicatula
Reed Canary Grass 18
Phalaris arundinacea
Water Caltrop 1
Trapa natans
Grey Willow 9
Salix cinerea
Beech Leaf Disease 19
Litylenchus crenatae
Eurasian Water-Milfoil 9
Myriophyllum spicatum
Goutweed 10
Aegopodium podagraria
Bell's Honeysuckle 9
Lonicera × bella
Slender Leafy Spurge 9
Euphorbia virgata
Curly-leaf Pondweed 5
Potamogeton crispus
Emerald Ash Borer 5
Agrilus planipennis
Hemlock Woolly Adelgid 1
Adelges tsugae

Edited by Claire O'Neill, Joe MacIndewar, and Esther Meirelles, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Claire O'Neill, some rights reserved (CC BY-NC), uploaded by Claire O'Neill
  • 2. (c) Christine Tuccelli, some rights reserved (CC BY-NC), uploaded by Christine Tuccelli
  • 3. (c) Claire O'Neill, some rights reserved (CC BY-NC-ND), uploaded by Claire O'Neill
  • 4. (c) Kate Danziger, some rights reserved (CC BY-ND), uploaded by Kate Danziger
  • 5. (c) Joe MacIndewar, some rights reserved (CC BY-NC), uploaded by Joe MacIndewar
  • 6. (c) Claire O'Neill, some rights reserved (CC BY-NC-ND)
  • 7. (c) Douglas Goldman, some rights reserved (CC BY), uploaded by Douglas Goldman
  • 8. (c) MurielBendel, some rights reserved (CC BY-SA)
  • 9. (c) Bill MacIndewar, some rights reserved (CC BY-NC), uploaded by Bill MacIndewar
  • 10. (c) Kate Danziger, some rights reserved (CC BY-NC), uploaded by Kate Danziger
  • 11. (c) Daniel Onea, some rights reserved (CC BY-NC), uploaded by Daniel Onea
  • 12. (c) Chris M. Garside, some rights reserved (CC BY-NC), uploaded by Chris M. Garside
  • 13. (c) Rob Curtis, some rights reserved (CC BY-NC), uploaded by Rob Curtis
  • 14. (c) ozarkpoppy, some rights reserved (CC BY-NC), uploaded by ozarkpoppy
  • 15. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
  • 16. (c) Richie Southerton, some rights reserved (CC BY-NC), uploaded by Richie Southerton
  • 17. (c) Serena Lynne, some rights reserved (CC BY-NC), uploaded by Serena Lynne
  • 18. (c) gsarajg, some rights reserved (CC BY-NC), uploaded by gsarajg
  • 19. (c) Deana Tempest Thomas, some rights reserved (CC BY-NC), uploaded by Deana Tempest Thomas

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