Edited by Todd Plummer, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) ldjaffe, some rights reserved (CC BY-NC), uploaded by ldjaffe
- 2. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 3. (c) judith holm, some rights reserved (CC BY-NC-ND), uploaded by judith holm
- 4. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)