Flora and Fauna
- 4856
- Cholla Cactus: Genus Opuntia
- Cholla is a name for various shrubby cacti of this genus with cylindrical stems composed of segmented joints. Photographs and information on several species.
- 4857
- Eastern Prickly Pear Cactus: Opuntia humifusa
- Student project including classification, habitat, adaptation, nutrition, reproduction and interactions with other species.