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) Tom Potterfield, some rights reserved (CC BY-NC-SA)
- 3. no rights reserved
- 4. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 5. (c) Owen Strickland, some rights reserved (CC BY-NC), uploaded by Owen Strickland
- 6. (c) Owen Clarkin, some rights reserved (CC BY-NC), uploaded by Owen Clarkin
- 7. (c) Keith Kanoti, Maine Forest Service, USA, some rights reserved (CC BY)
- 8. (c) Ken Potter, some rights reserved (CC BY-NC), uploaded by Ken Potter
- 9. (c) Joseph D Kurtz, some rights reserved (CC BY-NC), uploaded by Joseph D Kurtz
- 10. (c) Shuk Han (Nancy) Mak, some rights reserved (CC BY-NC), uploaded by Shuk Han (Nancy) Mak
- 11. (c) Bruce Kirchoff, some rights reserved (CC BY)
- 12. (c) Peter Nelson, some rights reserved (CC BY-NC), uploaded by Peter Nelson
- 13. (c) Joe Walewski, some rights reserved (CC BY-NC), uploaded by Joe Walewski
- 14. (c) Daniel Carter, all rights reserved, uploaded by Daniel Carter
- 15. (c) Dwayne Estes, some rights reserved (CC BY-NC), uploaded by Dwayne Estes
- 16. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 17. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 18. (c) Mike Leveille, some rights reserved (CC BY-NC), uploaded by Mike Leveille