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) Erik Jørgensen, some rights reserved (CC BY-NC-SA)
- 3. (c) Suzanne Cadwell, some rights reserved (CC BY-NC)
- 4. (c) jon hayes, some rights reserved (CC BY-NC)
- 5. (c) John Beetham, some rights reserved (CC BY-NC-SA)
- 6. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 7. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 8. (c) Charlotte Bill, some rights reserved (CC BY-NC), uploaded by Charlotte Bill
- 9. (c) Jason Hollinger, some rights reserved (CC BY)
- 10. (c) Mathew Zappa, some rights reserved (CC BY), uploaded by Mathew Zappa
- 11. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 12. (c) davecz2, some rights reserved (CC BY-SA), uploaded by davecz2
- 13. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 14. (c) Joe Walewski, some rights reserved (CC BY-NC), uploaded by Joe Walewski
- 15. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 16. (c) Superior National Forest, some rights reserved (CC BY)
- 17. (c) Rob Routledge, some rights reserved (CC BY-NC), uploaded by Rob Routledge
- 18. (c) lvconrad1977, some rights reserved (CC BY-NC), uploaded by lvconrad1977
- 19. (c) thesnaguy, some rights reserved (CC BY-NC-SA), uploaded by thesnaguy
- 20. (c) Brett Whaley, some rights reserved (CC BY-NC)
- 21. (c) BlueRidgeKitties, some rights reserved (CC BY-NC-SA)
- 22. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
- 23. (c) Jurga Motiejūnaitė, some rights reserved (CC BY-NC), uploaded by Jurga Motiejūnaitė
- 24. (c) Leo Papandreou, some rights reserved (CC BY-NC-SA)
- 25. (c) mmwm, some rights reserved (CC BY-NC-ND)
- 26. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 27. (c) botany08, some rights reserved (CC BY), uploaded by botany08
- 28. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 29. (c) Kari Pihlaviita, some rights reserved (CC BY-NC), uploaded by Kari Pihlaviita
- 30. (c) Timothy Valentine, some rights reserved (CC BY-NC-SA)
- 31. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 32. (c) Anita, some rights reserved (CC BY-NC)
- 33. (c) Peter O'Connor, some rights reserved (CC BY-SA)
- 34. (c) Janet Nelson, some rights reserved (CC BY-NC-ND), uploaded by Janet Nelson
- 35. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 36. (c) Jeff Chapman, some rights reserved (CC BY-NC), uploaded by Jeff Chapman
- 37. (c) Cassi, some rights reserved (CC BY-NC), uploaded by Cassi
- 38. (c) Jim Morefield, some rights reserved (CC BY)
- 39. (c) Haley Selen, some rights reserved (CC BY-NC), uploaded by Haley Selen
- 40. (c) Kerry Woods, some rights reserved (CC BY-NC-ND)
- 41. (c) Fabelfroh, some rights reserved (CC BY-SA)
- 42. (c) judith holm, some rights reserved (CC BY-NC-ND), uploaded by judith holm
- 43. (c) dogtooth77, some rights reserved (CC BY-NC-SA)
- 44. (c) Kingsbrae Garden, some rights reserved (CC BY-NC-SA)
- 45. (c) Mallory S., some rights reserved (CC BY-NC), uploaded by Mallory S.
- 46. (c) Petritap, some rights reserved (CC BY-SA)
- 47. (c) JanetandPhil, some rights reserved (CC BY-NC-ND)
- 48. (c) Jason Hollinger, some rights reserved (CC BY-SA)
- 49. (c) Katja Schulz, some rights reserved (CC BY)
- 50. (c) Charles Wohlers, some rights reserved (CC BY-NC-ND)