Edited by Minnesota Scientific and Natural Areas, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Cephas, some rights reserved (CC BY-SA)
- 2. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 3. (c) Eric Knopf, some rights reserved (CC BY-NC), uploaded by Eric Knopf
- 4. (c) Jill Lee, some rights reserved (CC BY-SA)
- 5. Masebrock, no known copyright restrictions (public domain)
- 6. (c) Colin Chapman-Lam, some rights reserved (CC BY-NC), uploaded by Colin Chapman-Lam
- 7. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 8. (c) Kent McFarland, some rights reserved (CC BY-NC)
- 9. (c) Owen Strickland, some rights reserved (CC BY), uploaded by Owen Strickland
- 10. (c) Leanne Wallis, some rights reserved (CC BY-NC), uploaded by Leanne Wallis
- 11. (c) Erik Danielsen, some rights reserved (CC BY-NC), uploaded by Erik Danielsen
- 12. (c) Shihmei Barger 舒詩玫, some rights reserved (CC BY-NC-ND)
- 13. (c) Brent Miller, some rights reserved (CC BY-NC-ND)
- 14. (c) Superior National Forest, some rights reserved (CC BY)
- 15. (c) James H. Miller & Ted Bodner, Southern Weed Science Society, Bugwood.org, some rights reserved (CC BY)
- 16. (c) Shuk Han (Nancy) Mak, some rights reserved (CC BY-NC), uploaded by Shuk Han (Nancy) Mak
- 17. (c) libby_orcutt, some rights reserved (CC BY-NC), uploaded by libby_orcutt
- 18. (c) timmenzies on Flickr, some rights reserved (CC BY-SA)
- 19. (c) Doug Waylett, some rights reserved (CC BY)
- 20. (c) Joseph D Kurtz, some rights reserved (CC BY-NC), uploaded by Joseph D Kurtz
- 21. (c) Homer Edward Price, some rights reserved (CC BY)
- 22. (c) Kingsbrae Garden, some rights reserved (CC BY-NC-SA)
- 23. (c) Sirpale79, some rights reserved (CC BY-NC-SA)
- 24. USDA NRCS Montana, no known copyright restrictions (public domain)
- 25. (c) aarongunnar, some rights reserved (CC BY), uploaded by aarongunnar
- 26. (c) Malcolm Manners, some rights reserved (CC BY)
- 27. (c) evening, some rights reserved (CC BY-NC), uploaded by evening
- 28. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 29. (c) Rob Routledge, some rights reserved (CC BY-NC), uploaded by Rob Routledge
- 30. (c) autan, some rights reserved (CC BY-NC-ND)
- 31. (c) jpc.raleigh, some rights reserved (CC BY-NC)
- 32. (c) JR P, some rights reserved (CC BY-NC)
- 33. (c) Liv MW, some rights reserved (CC BY-NC-SA), uploaded by Liv MW
- 34. (c) Donna Pomeroy, some rights reserved (CC BY-NC), uploaded by Donna Pomeroy