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Photo Credits
- 1. (c) urbanharvester, some rights reserved (CC BY-NC-SA)
- 2. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 3. (c) Mary Joyce, some rights reserved (CC BY-NC), uploaded by Mary Joyce
- 4. (c) Erik Jørgensen, some rights reserved (CC BY-NC-SA)
- 5. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 6. (c) Arturo Morales, some rights reserved (CC BY-NC-ND), uploaded by Arturo Morales
- 7. (c) Alesa Dam, some rights reserved (CC BY-NC-SA)
- 8. (c) Cody Hough, some rights reserved (CC BY-NC-SA)
- 9. (c) Peter, some rights reserved (CC BY-SA)
- 10. (c) IES MANUEL GARCÃA BARROS A ESTRADA- PONTEVEDRA, some rights reserved (CC BY-SA)
- 11. (c) 2006 Luigi Rignanese, some rights reserved (CC BY-NC)
- 12. (c) Joy, some rights reserved (CC BY-NC)
- 13. (c) Arturo Nikolai, some rights reserved (CC BY-NC-SA)
- 14. (c) Geneva Wirth, some rights reserved (CC BY-NC)
- 15. (c) Hans-Jürgen Becker, some rights reserved (CC BY-ND)
- 16. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 17. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
- 18. (c) Kingsbrae Garden, some rights reserved (CC BY-NC-SA)
- 19. (c) Klasse im Garten, some rights reserved (CC BY-NC-ND)
- 20. (c) Jonathan Tyler, some rights reserved (CC BY-NC-SA)
- 21. (c) DM, some rights reserved (CC BY-ND)
- 22. (c) Tero Laakso, some rights reserved (CC BY-SA)
- 23. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 24. (c) TreesOfTheWorld.net, some rights reserved (CC BY-NC-SA)
- 25. (c) Tom Tarrant, some rights reserved (CC BY-NC-SA)
- 26. (c) Vitaliy Khustochka, some rights reserved (CC BY-NC)
- 27. (c) Joe McKenna, some rights reserved (CC BY-NC)
- 28. (c) djpmapleferryman, some rights reserved (CC BY)
- 29. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 30. (c) Gerwin Filius, some rights reserved (CC BY-NC-ND)
- 31. (c) Juan Cruzado Cortés, some rights reserved (CC BY-SA), uploaded by Juan Cruzado Cortés
- 32. (c) Dario Trimarchi, some rights reserved (CC BY-NC-SA)
- 33. (c) Jörg Hempel, some rights reserved (CC BY-SA)
- 34. (c) Rushen, some rights reserved (CC BY-NC)
- 35. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 36. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 37. (c) Eric Bégin, some rights reserved (CC BY-NC-ND)
- 38. (c) Art G., some rights reserved (CC BY-NC-ND)
- 39. (c) urbanharvester, all rights reserved
- 40. (c) Wally Gobetz, some rights reserved (CC BY-NC-ND)
- 41. (c) linda, some rights reserved (CC BY-NC-SA)
- 42. (c) Jeppestown, some rights reserved (CC BY-SA)
- 43. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 44. (c) James Marvin Phelps, some rights reserved (CC BY-NC)
- 45. (c) Randall Wade (Rand) Grant, some rights reserved (CC BY-SA)
- 46. (c) Smithsonian Wild, some rights reserved (CC BY-NC-SA)
- 47. (c) christina robinson, some rights reserved (CC BY-NC-SA)
- 48. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 49. (c) Eran Finkle, some rights reserved (CC BY)
- 50. (c) Carly Lesser & Art Drauglis, some rights reserved (CC BY-SA)
- 51. (c) Nemo's great uncle, some rights reserved (CC BY-NC-SA)
- 52. (c) Tony Morris, some rights reserved (CC BY-NC)
- 53. (c) Biodiversity Heritage Library, some rights reserved (CC BY-NC-SA)
- 54. (c) AnneTanne, some rights reserved (CC BY-NC-SA)
- 55. (c) Reto Fetz, some rights reserved (CC BY-NC-SA)