COSA Plants

Some of the plants you might encounter as you walk the COSA

common sunflower 1
Helianthus annuus
horseweed 2
Erigeron canadensis
bur-marigold 3
Bidens laevis
rubber rabbitbrush 4
Ericameria nauseosa
western goldenrod 5
Euthamia occidentalis
Hall's Meadow Hawksbeard 1
Crepis runcinata ssp. hallii
Nuttall's Sunflower 6
Helianthus nuttallii
rough cocklebur 7
Xanthium strumarium
Sticktight 8
Bidens frondosa
Canada thistle 9
Cirsium arvense
bull thistle 10
Cirsium vulgare
prickly lettuce 1
Lactuca serriola
common dandelion 11
Taraxacum officinale

Edited by dirstine and abbyevans, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) dirstine, all rights reserved, uploaded by dirstine
  • 2. (c) James N. Stuart, all rights reserved, uploaded by James N. Stuart
  • 3. (c) Kerry Wixted, some rights reserved (CC BY-NC)
  • 4. (c) manzanita dictionary, some rights reserved (CC BY-NC-SA)
  • 5. (c) stonebird, some rights reserved (CC BY-NC-SA)
  • 6. (c) 2004 Brent Miller, some rights reserved (CC BY-NC-SA)
  • 7. (c) Dinesh Valke, some rights reserved (CC BY-NC-SA)
  • 8. (c) Flavio Rocchi, some rights reserved (CC BY-NC), uploaded by Flavio Rocchi
  • 9. (c) Dilaudid, some rights reserved (CC BY)
  • 10. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
  • 11. (c) alsal, some rights reserved (CC BY-NC), uploaded by alsal

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