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Pinnacles Invasive Plant Watch List

Invasive plant species to watch out for and document in wildlands

Tree of heaven 1
Ailanthus altissima
Russian knapweed 2
Rhaponticum repens
giant reed 3
Arundo donax
Mexican tea 4
Dysphania ambrosioides
Yellow Starthistle 5
Centaurea solstitialis
Yellow Iris 6
Iris pseudacorus
poison hemlock 7
Conium maculatum
Stinkwort 8
Dittrichia graveolens
white horehound 9
Marrubium vulgare
white sweetclover 10
Melilotus albus
tree tobacco 11
Nicotiana glauca
spearmint 12
Mentha spicata
Peppermint 13
Mentha × piperita
Armenian Blackberry 14
Rubus armeniacus
red tamarisk 15
Tamarix ramosissima
great mullein 10
Verbascum thapsus
broadleaved pepperweed 16
Lepidium latifolium
heart-podded hoary cress 17
Lepidium draba
puncture vine 18
Tribulus terrestris
harding grass 19
Phalaris aquatica
tall fescue 20
Festuca arundinacea
medusa head 20
Taeniatherum caput-medusae

Edited by Pinnacles National Park, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) jscior28, some rights reserved (CC BY-NC)
  • 2. (c) Fraser Watson, some rights reserved (CC BY-NC), uploaded by Fraser Watson
  • 3. (c) Tony Rebelo, some rights reserved (CC BY-SA), uploaded by Tony Rebelo
  • 4. (c) Tom Austin, some rights reserved (CC BY-NC), uploaded by Tom Austin
  • 5. (c) Bill Bumgarner, some rights reserved (CC BY-NC-ND)
  • 6. (c) Rita Willaert, some rights reserved (CC BY-NC)
  • 7. no rights reserved
  • 8. (c) Fabien Piednoir, some rights reserved (CC BY-SA), uploaded by Fabien Piednoir
  • 9. (c) Richard Reynolds, some rights reserved (CC BY-NC), uploaded by Richard Reynolds
  • 10. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
  • 11. (c) Scott Zona, some rights reserved (CC BY)
  • 12. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
  • 13. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
  • 14. (c) alexiselliott, some rights reserved (CC BY-NC)
  • 15. (c) Jerzy Opioła, some rights reserved (CC BY-SA)
  • 16. (c) Jenn Forman Orth, some rights reserved (CC BY-NC-SA)
  • 17. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
  • 18. (c) Lize von Staden, some rights reserved (CC BY-NC), uploaded by Lize von Staden
  • 19. (c) Christian Schwarz, some rights reserved (CC BY-NC), uploaded by Christian Schwarz
  • 20. (c) Matt Lavin, some rights reserved (CC BY-SA)

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