Edited by Minnesota Scientific and Natural Areas, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Paul Marcum, some rights reserved (CC BY-NC), uploaded by Paul Marcum
- 2. (c) Superior National Forest, some rights reserved (CC BY)
- 3. (c) Ryan Jacob, some rights reserved (CC BY-NC), uploaded by Ryan Jacob
- 4. (c) Kerry Woods, some rights reserved (CC BY-NC-ND)
- 5. (c) thesnaguy, some rights reserved (CC BY-NC-SA), uploaded by thesnaguy
- 6. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 7. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
- 8. (c) judith holm, some rights reserved (CC BY-NC-ND), uploaded by judith holm
- 9. (c) Clare Dellwo Cole, some rights reserved (CC BY-NC), uploaded by Clare Dellwo Cole
- 10. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
- 11. (c) Joshua Mayer, some rights reserved (CC BY-SA)
- 12. (c) dogtooth77, some rights reserved (CC BY-NC-SA)
- 13. (c) leojpa, some rights reserved (CC BY-NC)
- 14. (c) Robert D Stevenson, some rights reserved (CC BY-NC), uploaded by Robert D Stevenson
- 15. (c) Mateo Hernandez Schmidt, some rights reserved (CC BY-NC-SA), uploaded by Mateo Hernandez Schmidt
- 16. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 17. (c) Dave Bonta, some rights reserved (CC BY-SA)
- 18. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 19. (c) Fluff Berger, some rights reserved (CC BY-SA), uploaded by Fluff Berger
- 20. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)