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

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 ...more ↓

Norway maple 1
Acer platanoides
lesser celandine 2
Ficaria verna
black locust 3
Robinia pseudoacacia
common buckthorn 4
Rhamnus cathartica
tree-of-heaven 5
Ailanthus altissima
Goutweed 6
Aegopodium podagraria
Morrow's honeysuckle 7
Lonicera morrowii
dame's rocket 8
Hesperis matronalis
sycamore maple 9
Acer pseudoplatanus
Grey Willow 10
Salix cinerea
autumn olive 11
Elaeagnus umbellata
Slender Leafy Spurge 12
Euphorbia virgata
Bell's honeysuckle 13
Lonicera × bella
water chestnut 14
Trapa natans
Carolina Fanwort 15
Cabomba caroliniana
broadleaved pepperweed 16
Lepidium latifolium
creeping Jenny 17
Lysimachia nummularia
Eurasian water-milfoil 18
Myriophyllum spicatum
multiflora rose 19
Rosa multiflora
alder buckthorn 20
Frangula alnus
common buckthorn 21
Rhamnus cathartica
Black Swallow-wort 22
Vincetoxicum nigrum
Japanese knotweed 23
Fallopia japonica
winged euonymus 4
Euonymus alatus
Oriental bittersweet 24
Celastrus orbiculatus
purple loosestrife 25
Lythrum salicaria
Greater celandine 26
Chelidonium majus
Japanese barberry 27
Berberis thunbergii
northern bush honeysuckle 28
Diervilla lonicera
garlic mustard 29
Alliaria petiolata
Porcelain Berry 30
Ampelopsis glandulosa

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

Photo Credits

  • 1. (c) Kate Danziger, some rights reserved (CC BY-ND), uploaded by Kate Danziger
  • 2. (c) syvwlch, some rights reserved (CC BY), uploaded by syvwlch
  • 3. (c) Eric Koberle, some rights reserved (CC BY-NC), uploaded by Eric Koberle
  • 4. (c) Matt Lavin, some rights reserved (CC BY-SA)
  • 5. (c) Matthieu Gauvain, some rights reserved (CC BY-NC), uploaded by Matthieu Gauvain
  • 6. (c) botanygirl, some rights reserved (CC BY), uploaded by botanygirl
  • 7. (c) Fluff Berger, some rights reserved (CC BY-SA), uploaded by Fluff Berger
  • 8. (c) Owen Wolter, some rights reserved (CC BY-NC-ND)
  • 9. (c) Vedran Lastovčić, some rights reserved (CC BY), uploaded by Vedran Lastovčić
  • 10. (c) Janie Easterman, some rights reserved (CC BY-NC-ND)
  • 11. (c) Douglas Goldman, some rights reserved (CC BY-NC), uploaded by Douglas Goldman
  • 12. (c) Sara Rall, some rights reserved (CC BY-NC), uploaded by Sara Rall
  • 13. (c) Leanne Wallis, some rights reserved (CC BY-NC), uploaded by Leanne Wallis
  • 14. (c) juniorre, some rights reserved (CC BY-NC), uploaded by juniorre
  • 15. (c) Eric Keith, some rights reserved (CC BY-NC), uploaded by Eric Keith
  • 16. (c) Jenn Forman Orth, some rights reserved (CC BY-NC-SA)
  • 17. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
  • 18. (c) Сергей, some rights reserved (CC BY-NC), uploaded by Сергей
  • 19. (c) wplynn, some rights reserved (CC BY-ND)
  • 20. (c) Sten Porse, some rights reserved (CC BY-SA)
  • 21. (c) JanetandPhil, some rights reserved (CC BY-NC-ND)
  • 22. (c) jacinta lluch valero, some rights reserved (CC BY-SA)
  • 23. (c) Maja Dumat, some rights reserved (CC BY)
  • 24. (c) Elizabeth Sellers, some rights reserved (CC BY-NC-SA)
  • 25. (c) Colin Meurk, some rights reserved (CC BY-SA), uploaded by Colin Meurk
  • 26. (c) revaz, some rights reserved (CC BY-NC), uploaded by revaz
  • 27. (c) James Gaither, some rights reserved (CC BY-NC-ND)
  • 28. (c) Shihmei Barger 舒詩玫, some rights reserved (CC BY-NC-ND)
  • 29. (c) 57Andrew, some rights reserved (CC BY-NC-ND)
  • 30. (c) Joe MacIndewar, some rights reserved (CC BY-NC), uploaded by Joe MacIndewar

Member of the iNaturalist Network   |   Powered by iNaturalist open source software |   Documentation for developers