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- 1. (c) emily, some rights reserved (CC BY-NC-SA)
- 2. (c) Tony Rodd, some rights reserved (CC BY-NC-SA)
- 3. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 4. (c) Scott Zona, some rights reserved (CC BY)
- 5. (c) Manuel Martín Vicente, some rights reserved (CC BY-NC-ND)
- 6. (c) yokohamayomama, some rights reserved (CC BY-SA)
- 7. (c) Gravitywave, some rights reserved (CC BY-NC-SA)
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- 9. (c) 1999 California Academy of Sciences, some rights reserved (CC BY-NC-SA)
- 10. (c) Erik Jørgensen, some rights reserved (CC BY-NC-SA)
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- 12. (c) García-Martínez Miguel A., some rights reserved (CC BY-NC), uploaded by García-Martínez Miguel A.
- 13. (c) Forest & Kim Starr, some rights reserved (CC BY)
- 14. (c) Dinesh Valke, some rights reserved (CC BY-NC-ND)
- 15. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)
- 16. (c) Iris Shreve Garrott, some rights reserved (CC BY-NC-SA)
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- 21. (c) Eric Hunt, some rights reserved (CC BY-NC-ND)
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