Edited by Marie Studer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Biodiversity Heritage Library, some rights reserved (CC BY)
- 2. (c) Jim Vargo, some rights reserved (CC BY-NC-SA)
- 3. (c) Gerrit Davidse, some rights reserved (CC BY-NC-SA)
- 4. (c) Carol Vinzant, some rights reserved (CC BY-NC-ND)
- 5. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 6. (c) wanderflechten, some rights reserved (CC BY-NC-ND)
- 7. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 8. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
- 9. (c) Stepanka Nemcova, some rights reserved (CC BY-NC)
- 10. (c) Rich Engelbrecht, some rights reserved (CC BY-ND)
- 11. (c) Wikimedia Commons, some rights reserved (CC BY-SA)
- 12. (c) Kent McFarland, some rights reserved (CC BY-NC)