Photos:
- 1. (c) Bart Wursten, some rights reserved (CC BY-NC-SA)
- 2. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 3. (c) Janet Crum, some rights reserved (CC BY-NC-SA)
- 4. (c) Fabelfroh, some rights reserved (CC BY-SA)
- 5. (c) Hilbert Buist, some rights reserved (CC BY-NC-SA)
- 6. (c) bathyporeia, some rights reserved (CC BY-NC-SA)
- 7. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)
- 8. (c) Charlie Hohn, some rights reserved (CC BY), uploaded by Charlie Hohn
- 9. (c) beautifulcataya, some rights reserved (CC BY-NC-ND)
- 10. (c) Petritap, some rights reserved (CC BY-SA)
- 11. (c) Le.Loup.Gris, some rights reserved (CC BY-SA)
- 12. (c) Samsara Duffey, some rights reserved (CC BY-NC), uploaded by Samsara Duffey
- 13. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 14. (c) _Ruppia_cirrhosa.jpeg, some rights reserved (CC BY-SA)
- 15. (c) Chuck Sexton, some rights reserved (CC BY-NC), uploaded by Chuck Sexton
- 16. (c) Andrew Simon, some rights reserved (CC BY-NC), uploaded by Andrew Simon
- 17. (c) eyeweed, some rights reserved (CC BY-NC-ND)
- 18. (c) Leanne Wallis, some rights reserved (CC BY-NC), uploaded by Leanne Wallis
- 19. (c) Ondřej Zicha, some rights reserved (CC BY-NC)
- 20. (c) Biodiversity Heritage Library, some rights reserved (CC BY-NC-SA)
- 21. (c) Dean Wm. Taylor, some rights reserved (CC BY)
- 22. (c) Ken Kellman, some rights reserved (CC BY-NC), uploaded by Ken Kellman
- 23. (c) sabinap, some rights reserved (CC BY-NC)
- 24. (c) Petroglyph, some rights reserved (CC BY-NC), uploaded by Petroglyph
- 25. (c) Biopix, some rights reserved (CC BY-NC)
- 26. (c) ColinDJones, some rights reserved (CC BY-NC), uploaded by ColinDJones
- 27. (c) Jason Hollinger, some rights reserved (CC BY)
- 28. (c) Andy Newman, some rights reserved (CC BY-NC), uploaded by Andy Newman
- 29. (c) Bas Kers (NL), some rights reserved (CC BY-NC-SA)
- 30. (c) Summit Metro Parks, some rights reserved (CC BY-NC), uploaded by Summit Metro Parks
- 31. (c) jniehaus, some rights reserved (CC BY-NC), uploaded by jniehaus
- 32. (c) John Hilty, some rights reserved (CC BY-NC)
- 33. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 34. (c) Susan, some rights reserved (CC BY-NC), uploaded by Susan
- 35. (c) M. Goff, some rights reserved (CC BY-NC-SA), uploaded by M. Goff
- 36. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
- 37. (c) Belinda Lo, some rights reserved (CC BY-NC-SA)
- 38. (c) dnydick, some rights reserved (CC BY-NC), uploaded by dnydick
- 39. (c) David Greenberger, some rights reserved (CC BY-NC-ND), uploaded by David Greenberger
- 40. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 41. (c) Tony Rodd, some rights reserved (CC BY-NC-SA)
- 42. (c) Daniel Carter, all rights reserved, uploaded by Daniel Carter
- 43. (c) Will Freyman, some rights reserved (CC BY-NC), uploaded by Will Freyman
- 44. (c) Ben VanderWeide, some rights reserved (CC BY-NC), uploaded by Ben VanderWeide
- 45. (c) Anne Reeves, some rights reserved (CC BY-NC-ND)
- 46. (c) Matt Bowser, some rights reserved (CC BY), uploaded by Matt Bowser
- 47. (c) 2012 Gary A. Monroe, some rights reserved (CC BY-NC)
- 48. (c) Steve Jones, some rights reserved (CC BY-NC), uploaded by Steve Jones
- 49. (c) Keith W. Larson, some rights reserved (CC BY-NC), uploaded by Keith W. Larson
- 50. (c) AnneTanne, some rights reserved (CC BY-NC)
- 51. (c) cedarleaf, some rights reserved (CC BY-NC), uploaded by cedarleaf
- 52. (c) Valter Jacinto, some rights reserved (CC BY-NC-SA)
- 53. (c) sandy richard, some rights reserved (CC BY-NC)
- 54. (c) Kari Pihlaviita, some rights reserved (CC BY-NC)
- 55. (c) Tab Tannery, some rights reserved (CC BY-NC-SA)
- 56. (c) "USDA FS RMRS Boise Aquatic Sciences Lab.", some rights reserved (CC BY-NC-SA)
- 57. (c) Sean Blaney, some rights reserved (CC BY-NC), uploaded by Sean Blaney
- 58. (c) David GENOUD, some rights reserved (CC BY-NC-SA)
- 59. (c) alicia penney, some rights reserved (CC BY), uploaded by alicia penney
- 60. (c) Jason Sturner, some rights reserved (CC BY)
- 61. (c) 2010 Barry Breckling, some rights reserved (CC BY-NC-SA)
- 62. (c) botanygirl, some rights reserved (CC BY), uploaded by botanygirl
- 63. (c) benconnorbarrie, some rights reserved (CC BY-NC)
- 64. (c) ksandsman, some rights reserved (CC BY), uploaded by ksandsman
- 65. (c) Rob Routledge, some rights reserved (CC BY-NC), uploaded by Rob Routledge
- 66. (c) Derek, some rights reserved (CC BY), uploaded by Derek
- 67. (c) Samuel Brinker, some rights reserved (CC BY-NC), uploaded by Samuel Brinker
- 68. (c) Susan Elliott, some rights reserved (CC BY-NC), uploaded by Susan Elliott
- 69. (c) Steve Janke, some rights reserved (CC BY-NC), uploaded by Steve Janke
- 70. (c) Erin Faulkner, some rights reserved (CC BY-NC), uploaded by Erin Faulkner
- 71. (c) Jay Sturner, some rights reserved (CC BY)
- 72. (c) Jim Morefield, some rights reserved (CC BY)
- 73. (c) Hörður Kristinsson, some rights reserved (CC BY-NC)
- 74. (c) Amadej Trnkoczy, some rights reserved (CC BY-NC-SA)
- 75. (c) Joe Bartok, some rights reserved (CC BY-NC), uploaded by Joe Bartok
- 76. (c) Paul Marcum, some rights reserved (CC BY-NC), uploaded by Paul Marcum
- 77. (c) J. Burke Korol, some rights reserved (CC BY-NC), uploaded by J. Burke Korol
- 78. (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis
- 79. (c) tsc_wis, some rights reserved (CC BY-NC)
- 80. (c) James K. Lindsey, some rights reserved (CC BY-SA)
- 81. (c) Sebastien Laroche, some rights reserved (CC BY-NC-ND)
- 82. (c) Jesse Lincoln, some rights reserved (CC BY-NC), uploaded by Jesse Lincoln
- 83. (c) 2003 Keir Morse, some rights reserved (CC BY-NC-SA)
- 84. (c) Cathy Murray, some rights reserved (CC BY-NC), uploaded by Cathy Murray
- 85. (c) Alberto Garcia Quesada, some rights reserved (CC BY-NC)
- 86. (c) Tyler Smith, some rights reserved (CC BY-NC)
- 87. (c) 2010 Keir Morse, some rights reserved (CC BY-NC-SA)
- 88. (c) Mr. Tonreg, some rights reserved (CC BY)
- 89. (c) Jeremy Barker, some rights reserved (CC BY-NC), uploaded by Jeremy Barker
- 90. (c) Pat Deacon, some rights reserved (CC BY-NC), uploaded by Pat Deacon
- 91. (c) Walter Siegmund, some rights reserved (CC BY-SA)
- 92. (c) Corey Lange, some rights reserved (CC BY-NC), uploaded by Corey Lange
- 93. (c) 2009 Keir Morse, some rights reserved (CC BY-NC-SA)
- 94. (c) bendingtree, some rights reserved (CC BY-NC), uploaded by bendingtree
- 95. (c) Britt-Marie Sohlström, some rights reserved (CC BY-NC-ND)
- 96. (c) jozien, some rights reserved (CC BY-NC), uploaded by jozien
- 97. (c) J. Maughn, some rights reserved (CC BY-NC), uploaded by J. Maughn
- 98. (c) Dawn Endico, some rights reserved (CC BY-SA)
- 99. (c) Derek, some rights reserved (CC BY-NC), uploaded by Derek
- 100. (c) Torsten Eriksson, some rights reserved (CC BY-NC), uploaded by Torsten Eriksson
- 101. (c) Udo Schmidt, some rights reserved (CC BY-SA)
- 102. (c) c michael hogan, some rights reserved (CC BY-NC-SA), uploaded by c michael hogan
- 103. (c) Sarah Johnson, some rights reserved (CC BY), uploaded by Sarah Johnson
- 104. (c) Raz1el, some rights reserved (CC BY)
- 105. (c) Peter Gorman, some rights reserved (CC BY-NC-SA)
- 106. (c) Jason Whittle, some rights reserved (CC BY-NC-ND), uploaded by Jason Whittle
- 107. (c) BlueRidgeKitties, some rights reserved (CC BY-NC-SA)
- 108. (c) Ashley M Bradford, some rights reserved (CC BY-NC), uploaded by Ashley M Bradford
- 109. (c) Anna Armitage, some rights reserved (CC BY-NC-ND)
- 110. (c) Tony Frates, some rights reserved (CC BY-NC-SA)
- 111. (c) Mike Patterson, some rights reserved (CC BY-NC), uploaded by Mike Patterson
- 112. (c) Belinda Lo, some rights reserved (CC BY-NC-SA), uploaded by Belinda Lo
- 113. (c) Vincent Parsons, some rights reserved (CC BY-NC)
- 114. (c) c_callison, some rights reserved (CC BY-NC), uploaded by c_callison
- 115. no rights reserved
- 116. (c) Kerry Wixted, some rights reserved (CC BY-NC)
- 117. (c) zen Sutherland, some rights reserved (CC BY-NC-SA)
Compiled by Kelsey McCartney,
some rights reserved
(CC BY-SA)
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