Edited by refugerover, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 2. (c) Karl-Ludwig Poggemann, some rights reserved (CC BY)
- 3. (c) manual crank, some rights reserved (CC BY-NC-SA)
- 4. (c) Mark Kluge, some rights reserved (CC BY-NC-ND), uploaded by Mark Kluge
- 5. (c) Paul Tavares, some rights reserved (CC BY-NC), uploaded by Paul Tavares
- 6. (c) Erika Mitchell, some rights reserved (CC BY-NC), uploaded by Erika Mitchell
- 7. (c) Alexandre Dulaunoy, some rights reserved (CC BY-SA)
- 8. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 9. (c) Huerta Orgázmika, some rights reserved (CC BY)
- 10. (c) Erik Jørgensen, some rights reserved (CC BY-NC-SA)
- 11. (c) Flickr, some rights reserved (CC BY-NC)
- 12. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
- 13. (c) peupleloup, some rights reserved (CC BY-SA)
- 14. (c) jon hayes, some rights reserved (CC BY-NC)
- 15. (c) Lindley Ashline, some rights reserved (CC BY-NC)
- 16. (c) Emily, some rights reserved (CC BY-SA)
- 17. (c) Gordilly, some rights reserved (CC BY-NC-ND)
- 18. (c) Eric Keith, some rights reserved (CC BY-NC), uploaded by Eric Keith
- 19. (c) Katja Schulz, some rights reserved (CC BY)
- 20. (c) Bill Bumgarner, some rights reserved (CC BY-NC-ND)
- 21. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 22. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 23. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)
- 24. (c) John Hilty, some rights reserved (CC BY-NC)
- 25. (c) Nuuuuuuuuuuul, some rights reserved (CC BY)
- 26. (c) Fritz Flohr Reynolds, some rights reserved (CC BY-SA)
- 27. (c) Josh*m, some rights reserved (CC BY-NC-SA)
- 28. (c) Kevin, some rights reserved (CC BY-NC-SA)
- 29. (c) Sean Blaney, some rights reserved (CC BY-NC), uploaded by Sean Blaney
- 30. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 31. (c) "Kentucky Native Plant Society. Scanned by Omnitek Inc.", some rights reserved (CC BY-NC-SA)
- 32. (c) Rich Stevenson, some rights reserved (CC BY-NC), uploaded by Rich Stevenson
- 33. (c) rayrob, some rights reserved (CC BY-NC), uploaded by rayrob
- 34. (c) easmith2, some rights reserved (CC BY-NC), uploaded by easmith2
- 35. (c) Janet Nelson, some rights reserved (CC BY-NC-ND), uploaded by Janet Nelson
- 36. (c) ben_montgomery, some rights reserved (CC BY-NC), uploaded by ben_montgomery
- 37. (c) Daniel Folds, some rights reserved (CC BY-NC), uploaded by Daniel Folds
- 38. (c) Frank Mayfield, some rights reserved (CC BY-SA)
- 39. (c) dogtooth77, some rights reserved (CC BY-NC-SA)
- 40. (c) Tom Potterfield, some rights reserved (CC BY-NC-SA)
- 41. (c) Judy Gallagher, some rights reserved (CC BY), uploaded by Judy Gallagher
- 42. (c) Peter Gorman, some rights reserved (CC BY-NC-SA)
- 43. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 44. (c) John B., some rights reserved (CC BY)
- 45. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 46. (c) davecz2, some rights reserved (CC BY-SA), uploaded by davecz2
- 47. (c) Jean-Marc, some rights reserved (CC BY-NC), uploaded by Jean-Marc
- 48. (c) Anita363, some rights reserved (CC BY-NC-SA), uploaded by Anita363
- 49. (c) Jim Morefield, some rights reserved (CC BY)
- 50. (c) AnneTanne, some rights reserved (CC BY-NC)
- 51. (c) M.M. R, some rights reserved (CC BY-NC)
- 52. (c) Tom Brandt, some rights reserved (CC BY-SA)
- 53. (c) bendingtree, some rights reserved (CC BY-NC), uploaded by bendingtree
- 54. (c) Flavio Rocchi, some rights reserved (CC BY-NC), uploaded by Flavio Rocchi
- 55. (c) Kerry Wixted, some rights reserved (CC BY-NC)
- 56. (c) Tony Frates, some rights reserved (CC BY-NC-SA)
- 57. (c) cotinis, some rights reserved (CC BY-NC-SA)
- 58. (c) Michael Denslow, some rights reserved (CC BY-NC-SA)
- 59. no rights reserved, uploaded by Jesse Rorabaugh
- 60. (c) Nemo's great uncle, some rights reserved (CC BY-NC-SA)
- 61. (c) Mathew Zappa, some rights reserved (CC BY), uploaded by Mathew Zappa
- 62. (c) Biopix, some rights reserved (CC BY-NC)
- 63. (c) Ivar Leidus, some rights reserved (CC BY-SA)
- 64. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 65. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 66. (c) Manuel Martín Vicente, some rights reserved (CC BY-NC-ND)
- 67. (c) José MarÃa Escolano, some rights reserved (CC BY-NC-SA)
- 68. (c) brambleroots, some rights reserved (CC BY-NC-SA)
- 69. (c) Jon Sullivan, some rights reserved (CC BY)
- 70. (c) Kent Miller, some rights reserved (CC BY-ND), uploaded by Kent Miller
- 71. (c) Kristian Peters, some rights reserved (CC BY-NC-SA)
- 72. (c) Ricky Taylor, some rights reserved (CC BY-NC), uploaded by Ricky Taylor
- 73. (c) Udo Schmidt, some rights reserved (CC BY-SA)
- 74. (c) Nathan Taylor, some rights reserved (CC BY-NC), uploaded by Nathan Taylor
- 75. (c) Erik Danielsen, some rights reserved (CC BY-NC), uploaded by Erik Danielsen
- 76. (c) Phil Sellens, some rights reserved (CC BY)
- 77. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 78. (c) Robert D Stevenson, some rights reserved (CC BY-NC), uploaded by Robert D Stevenson
- 79. (c) Melanie EL, some rights reserved (CC BY-NC-SA)
- 80. (c) licensed media from BioImages DwCA without owner, some rights reserved (CC BY-NC-SA)
- 81. (c) Joe Bartok, some rights reserved (CC BY-NC), uploaded by Joe Bartok