Edited by Christopher Casillas, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) riverwalker23, some rights reserved (CC BY-NC)
- 2. (c) tsoleau, some rights reserved (CC BY-NC-ND)
- 3. (c) Forest & Kim Starr, some rights reserved (CC BY)
- 4. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)