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) Jason M Crockwell, some rights reserved (CC BY-NC-ND), uploaded by Jason M Crockwell
- 3. no rights reserved
- 4. (c) Owen Strickland, some rights reserved (CC BY), uploaded by Owen Strickland
- 5. (c) Daniel Carter, all rights reserved, uploaded by Daniel Carter
- 6. (c) Leanne Wallis, some rights reserved (CC BY-NC), uploaded by Leanne Wallis
- 7. (c) peggyo, some rights reserved (CC BY-NC), uploaded by peggyo
- 8. (c) Plant Image Library, some rights reserved (CC BY-SA)
- 9. (c) Owen Clarkin, some rights reserved (CC BY-NC), uploaded by Owen Clarkin
- 10. (c) Keith Kanoti, Maine Forest Service, USA, some rights reserved (CC BY)
- 11. (c) Superior National Forest, some rights reserved (CC BY)
- 12. (c) Tom Potterfield, some rights reserved (CC BY-NC-SA)
- 13. (c) Patrick Coin, some rights reserved (CC BY-NC-SA)
- 14. (c) Shuk Han (Nancy) Mak, some rights reserved (CC BY-NC), uploaded by Shuk Han (Nancy) Mak
- 15. (c) timmenzies on Flickr, some rights reserved (CC BY-SA)
- 16. (c) copepodo, some rights reserved (CC BY-NC-ND)
- 17. (c) Bruce Kirchoff, some rights reserved (CC BY)
- 18. (c) Nadiatalent, some rights reserved (CC BY-SA)
- 19. (c) Dwayne Estes, some rights reserved (CC BY-NC), uploaded by Dwayne Estes
- 20. (c) Jim de Waal Malefyt, some rights reserved (CC BY-NC), uploaded by Jim de Waal Malefyt