Photos:
- 1. (c) Frank Mayfield, some rights reserved (CC BY-SA)
- 2. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 3. (c) Jason Hollinger, some rights reserved (CC BY)
- 4. (c) Hermann Falkner, some rights reserved (CC BY-NC)
- 5. (c) Mitch from Costa Mesa, CA, USA, some rights reserved (CC BY-SA)
- 6. (c) Mart Hughes, some rights reserved (CC BY-NC), uploaded by Mart Hughes
- 7. (c) Owen Clarkin, some rights reserved (CC BY-NC), uploaded by Owen Clarkin
- 8. (c) Susan, some rights reserved (CC BY-NC), uploaded by Susan
- 9. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 10. (c) jozien, some rights reserved (CC BY-NC), uploaded by jozien
- 11. (c) ashegan, some rights reserved (CC BY-NC), uploaded by ashegan
- 12. (c) Timm Richardson, some rights reserved (CC BY-NC), uploaded by Timm Richardson
- 13. (c) tapaculo99, some rights reserved (CC BY-NC), uploaded by tapaculo99
- 14. (c) Bengt Rehnström, some rights reserved (CC BY)
- 15. (c) Damon Tighe, some rights reserved (CC BY-NC), uploaded by Damon Tighe
- 16. (c) Peter, some rights reserved (CC BY-SA)
- 17. no rights reserved, uploaded by Patrick Alexander
- 18. (c) Stan Shebs, some rights reserved (CC BY-SA)
- 19. (c) Don Loarie, some rights reserved (CC BY), uploaded by Don Loarie
- 20. (c) Rick Williams, some rights reserved (CC BY-NC), uploaded by Rick Williams
- 21. (c) Brent Miller, some rights reserved (CC BY-NC-ND)
- 22. (c) Jenny Smith, some rights reserved (CC BY-NC), uploaded by Jenny Smith
- 23. (c) evening, some rights reserved (CC BY-NC), uploaded by evening
- 24. (c) Laurel F, some rights reserved (CC BY-SA)
- 25. (c) takomabibelot, some rights reserved (CC BY)
- 26. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 27. (c) Bryant Olsen, some rights reserved (CC BY-NC)
- 28. (c) Dan and Raymond, some rights reserved (CC BY-NC-SA)
- 29. (c) Tim Guida, some rights reserved (CC BY-NC), uploaded by Tim Guida
- 30. (c) Eric in SF, some rights reserved (CC BY-NC-ND)
- 31. (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist
- 32. (c) FarOutFlora, some rights reserved (CC BY-NC-ND)
- 33. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)
- 34. (c) 2005 Robert Sivinski, some rights reserved (CC BY-NC)
- 35. (c) Mike Bell, some rights reserved (CC BY-NC), uploaded by Mike Bell
- 36. (c) Todd Ramsden, some rights reserved (CC BY-NC), uploaded by Todd Ramsden
- 37. (c) ellen hildebrandt, some rights reserved (CC BY-NC), uploaded by ellen hildebrandt
- 38. (c) licensed media from BioImages DwCA without owner, some rights reserved (CC BY-NC-SA)
- 39. (c) 2014 Zoya Akulova, some rights reserved (CC BY-NC)
- 40. (c) James Bailey, some rights reserved (CC BY-NC), uploaded by James Bailey
- 41. (c) stonebird, some rights reserved (CC BY-NC-SA)
- 42. (c) Bill Freiheit, some rights reserved (CC BY-NC), uploaded by Bill Freiheit
- 43. (c) Emőke Dénes, some rights reserved (CC BY-SA)
- 44. (c) Jon Sullivan, some rights reserved (CC BY)
- 45. (c) Franz Xaver, some rights reserved (CC BY-SA)
- 46. (c) Dorota (Dorothy), some rights reserved (CC BY-SA)
- 47. (c) 2008 Steve Matson, some rights reserved (CC BY-NC)
- 48. (c) Ken Bosma, some rights reserved (CC BY-NC), uploaded by Ken Bosma
- 49. (c) faerthen, some rights reserved (CC BY-NC), uploaded by faerthen
- 50. (c) Lynette Schimming, some rights reserved (CC BY-NC)
- 51. (c) Carolannie--slow return, some rights reserved (CC BY-NC-ND)
- 52. (c) Steve Guttman, some rights reserved (CC BY-NC-ND)
- 53. (c) kevinhintsa, some rights reserved (CC BY-NC), uploaded by kevinhintsa
- 54. (c) Alexis, some rights reserved (CC BY), uploaded by Alexis
- 55. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 56. (c) 2015 Richard Spellenberg, some rights reserved (CC BY-NC-SA)
- 57. (c) Hans-Jürgen Becker, some rights reserved (CC BY-NC-SA)
- 58. (c) deekyn, some rights reserved (CC BY-NC), uploaded by deekyn
- 59. (c) Peter Jennetten, some rights reserved (CC BY-NC), uploaded by Peter Jennetten
- 60. (c) megswan, some rights reserved (CC BY-NC)
- 61. (c) Colin Barrows, some rights reserved (CC BY-NC)
- 62. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 63. (c) Gary Nored, some rights reserved (CC BY-NC)
- 64. (c) Sandy Wolkenberg, some rights reserved (CC BY), uploaded by Sandy Wolkenberg
- 65. (c) Grahame, some rights reserved (CC BY-NC-ND), uploaded by Grahame
- 66. (c) Richard Reynolds, some rights reserved (CC BY-NC), uploaded by Richard Reynolds
- 67. (c) randomtruth, some rights reserved (CC BY-NC-SA)
- 68. (c) Peter O'Connor, some rights reserved (CC BY-SA)
- 69. (c) Heidi Eaton, some rights reserved (CC BY-NC), uploaded by Heidi Eaton
- 70. (c) M.M. R, some rights reserved (CC BY-NC)
- 71. (c) Brian Finzel, some rights reserved (CC BY-SA), uploaded by Brian Finzel
- 72. (c) --Tico--, some rights reserved (CC BY-NC-ND)
- 73. no rights reserved
- 74. (c) Jennifer Ackerfield, some rights reserved (CC BY-NC), uploaded by Jennifer Ackerfield
- 75. (c) (OvO), some rights reserved (CC BY-NC-SA)
- 76. (c) Lena Zappia, some rights reserved (CC BY-NC), uploaded by Lena Zappia
- 77. (c) Michael Kappel, some rights reserved (CC BY-NC)
- 78. (c) Tom Hilton, some rights reserved (CC BY), uploaded by Tom Hilton
- 79. (c) Lee Elliott, some rights reserved (CC BY-NC-SA), uploaded by Lee Elliott
- 80. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
- 81. (c) Emily Hjalmarson, some rights reserved (CC BY-NC), uploaded by Emily Hjalmarson
- 82. (c) Hollis Marriott, some rights reserved (CC BY-NC), uploaded by Hollis Marriott
- 83. (c) jcharmon, some rights reserved (CC BY-NC), uploaded by jcharmon
- 84. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
- 85. (c) 2000 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 86. (c) David Bygott, some rights reserved (CC BY-NC-SA)
- 87. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
- 88. (c) Andrey Zharkikh, some rights reserved (CC BY)
- 89. (c) Jose Lopez, some rights reserved (CC BY), uploaded by Jose Lopez
- 90. (c) Andy, some rights reserved (CC BY-NC-ND)
- 91. (c) J. N. Stuart, all rights reserved, uploaded by J. N. Stuart
- 92. (c) Jim Morefield, some rights reserved (CC BY)
- 93. (c) Steve Ganley, some rights reserved (CC BY-NC), uploaded by Steve Ganley
- 94. (c) Daniel George, some rights reserved (CC BY-NC), uploaded by Daniel George
- 95. (c) Peter Zika, some rights reserved (CC BY-NC), uploaded by Peter Zika
- 96. (c) Ben VanderWeide, some rights reserved (CC BY-NC), uploaded by Ben VanderWeide
- 97. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
- 98. (c) Mr. Tonreg, some rights reserved (CC BY)
- 99. (c) c michael hogan, some rights reserved (CC BY-NC-SA), uploaded by c michael hogan
- 100. (c) Nathan Taylor, some rights reserved (CC BY-NC), uploaded by Nathan Taylor
- 101. (c) David McCorquodale, some rights reserved (CC BY), uploaded by David McCorquodale
- 102. (c) benandkerstyn, all rights reserved, uploaded by benandkerstyn
- 103. (c) Matt Haberkorn, some rights reserved (CC BY-NC), uploaded by Matt Haberkorn
- 104. (c) Andy Newman, some rights reserved (CC BY-NC), uploaded by Andy Newman
- 105. (c) Biopix, some rights reserved (CC BY-NC)
- 106. (c) Blake Weis, some rights reserved (CC BY-NC), uploaded by Blake Weis
- 107. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 108. (c) botanybee, some rights reserved (CC BY-NC)
- 109. (c) elizzabeth, some rights reserved (CC BY-NC)
- 110. (c) Louis, some rights reserved (CC BY-SA)
- 111. (c) 2012 Keir Morse, some rights reserved (CC BY-NC-SA)
- 112. (c) Dave Powell, USDA Forest Service, Bugwood.org, some rights reserved (CC BY-SA)
- 113. (c) mtash, some rights reserved (CC BY-NC), uploaded by mtash
- 114. (c) Jason Sturner, some rights reserved (CC BY)
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