Edited by Minnesota Scientific and Natural Areas, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 2. (c) Bastiaan, some rights reserved (CC BY-NC-ND)
- 3. (c) davecz2, some rights reserved (CC BY-SA), uploaded by davecz2
- 4. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 5. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
- 6. (c) Judith Lopez Sikora, some rights reserved (CC BY-NC-SA)
- 7. (c) liz west, some rights reserved (CC BY-NC)
- 8. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
- 9. (c) Travis Cameron, some rights reserved (CC BY-NC), uploaded by Travis Cameron
- 10. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 11. (c) botany08, some rights reserved (CC BY), uploaded by botany08
- 12. (c) Per Verdonk, some rights reserved (CC BY-NC)
- 13. (c) Timothy Valentine, some rights reserved (CC BY-NC-SA)
- 14. (c) Michael Ellis, some rights reserved (CC BY), uploaded by Michael Ellis
- 15. (c) Charlotte Bill, some rights reserved (CC BY-NC), uploaded by Charlotte Bill
- 16. (c) Jason Hollinger, some rights reserved (CC BY)
- 17. (c) Bas Kers (NL), some rights reserved (CC BY-NC-SA)
- 18. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 19. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
- 20. (c) Ryan Jacob, some rights reserved (CC BY-NC), uploaded by Ryan Jacob
- 21. (c) 2010 Keir Morse, some rights reserved (CC BY-NC-SA)
- 22. (c) leojpa, some rights reserved (CC BY-NC)
- 23. (c) Mallory S., some rights reserved (CC BY-NC), uploaded by Mallory S.
- 24. (c) Jim Morefield, some rights reserved (CC BY)