Pinnacles Invasive Plant Watch List

Invasive plant species to watch out for and document in wildlands

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

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

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  • 1. (c) jscior28, some rights reserved (CC BY-NC)
  • 2. (c) Fraser Watson, some rights reserved (CC BY-NC)
  • 3. (c) Tony Rebelo, some rights reserved (CC BY-SA)
  • 4. (c) Tom Austin, some rights reserved (CC BY-NC)
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  • 6. (c) Rita Willaert, some rights reserved (CC BY-NC)
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  • 8. (c) Fabien Piednoir, some rights reserved (CC BY-SA)
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  • 10. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
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  • 12. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
  • 13. (c) Rob Curtis, some rights reserved (CC BY-NC-SA)
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  • 15. (c) Jerzy Opioła, some rights reserved (CC BY-SA)
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