Edited by Minnesota Scientific and Natural Areas, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Tom Norton, some rights reserved (CC BY-NC), uploaded by Tom Norton
- 2. (c) CatherineK, some rights reserved (CC BY-SA), uploaded by CatherineK
- 3. (c) Charlie Hohn, some rights reserved (CC BY), uploaded by Charlie Hohn
- 4. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 5. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 6. (c) NC Orchid, some rights reserved (CC BY-NC)
- 7. (c) Ken-ichi Ueda, some rights reserved (CC BY)
- 8. (c) Joshua Mayer, some rights reserved (CC BY-SA)
- 9. (c) Mathew Zappa, some rights reserved (CC BY), uploaded by Mathew Zappa
- 10. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 11. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 12. (c) Superior National Forest, some rights reserved (CC BY)
- 13. (c) lvconrad1977, some rights reserved (CC BY-NC), uploaded by lvconrad1977
- 14. (c) Andy Fyon, some rights reserved (CC BY-NC), uploaded by Andy Fyon
- 15. (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker
- 16. (c) Chris Parker, some rights reserved (CC BY-ND)
- 17. (c) Christopher Tracey, some rights reserved (CC BY-NC-SA), uploaded by Christopher Tracey
- 18. (c) Natural England, some rights reserved (CC BY-NC-ND)
- 19. (c) MJ Bach, some rights reserved (CC BY-NC), uploaded by MJ Bach
- 20. (c) Alinja, some rights reserved (CC BY-SA)
- 21. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
- 22. (c) Leo Papandreou, some rights reserved (CC BY-NC-SA)
- 23. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 24. (c) botany08, some rights reserved (CC BY), uploaded by botany08
- 25. (c) dogtooth77, some rights reserved (CC BY-NC-SA)
- 26. (c) Chris Rimmer, some rights reserved (CC BY-NC), uploaded by Chris Rimmer
- 27. (c) Timothy Valentine, some rights reserved (CC BY-NC-SA)
- 28. (c) Norma Malinowski, some rights reserved (CC BY-NC), uploaded by Norma Malinowski
- 29. (c) arethusa, some rights reserved (CC BY-NC), uploaded by arethusa
- 30. (c) sandy richard, some rights reserved (CC BY-NC)
- 31. (c) Minnesota Scientific and Natural Areas, all rights reserved, uploaded by Minnesota Scientific and Natural Areas
- 32. (c) Kari Pihlaviita, some rights reserved (CC BY-NC)
- 33. (c) Joe Bartok, some rights reserved (CC BY-NC), uploaded by Joe Bartok
- 34. (c) judith holm, some rights reserved (CC BY-NC-ND), uploaded by judith holm
- 35. (c) Jean-Marc, some rights reserved (CC BY-NC), uploaded by Jean-Marc
- 36. (c) Mallory S., some rights reserved (CC BY-NC), uploaded by Mallory S.
- 37. (c) sandy richard, some rights reserved (CC BY-NC-SA)
- 38. (c) Petritap, some rights reserved (CC BY-SA)
- 39. (c) Bob Peterson, some rights reserved (CC BY-SA)
- 40. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 41. (c) Chris Moody, some rights reserved (CC BY-NC)
- 42. (c) Cindy Kilpatrick, some rights reserved (CC BY)
- 43. (c) Aaron Carlson, some rights reserved (CC BY), uploaded by Aaron Carlson