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Biosci 108 fieldcourse

Common Cat's-ear 1
Hypochaeris radicata
common dandelion 2
Taraxacum officinale
common yarrow 3
Achillea millefolium
creeping thistle 4
Cirsium arvense
horseweed
Erigeron canadensis pusillus
Cirsium vulgare vulgare
horseweed 5
Erigeron canadensis
prickly lettuce 6
Lactuca serriola
common dandelion 2
Taraxacum officinale
common yarrow 3
Achillea millefolium
common daisy 7
Bellis perennis
Common Cat's-ear 1
Hypochaeris radicata
Perennial Sow Thistle 8
Sonchus arvensis
common dandelion 2
Taraxacum officinale
horseweed 5
Erigeron canadensis

Edited by brittanymathias, Leah B, kdavid014, and Dave Seldon, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Jon Sullivan, some rights reserved (CC BY-NC)
  • 2. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
  • 3. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
  • 4. (c) Ivar Leidus, some rights reserved (CC BY-SA)
  • 5. (c) Matthew Herron, some rights reserved (CC BY-NC), uploaded by Matthew Herron
  • 6. (c) George F Mayfield, some rights reserved (CC BY-SA)
  • 7. (c) Salomé, some rights reserved (CC BY-NC-SA)
  • 8. (c) Frank Mayfield, some rights reserved (CC BY-SA)

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