Flora and Fauna
- 4849
- 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.
- 4850
- Eastern Prickly Pear Cactus: Opuntia humifusa
- Student project including classification, habitat, adaptation, nutrition, reproduction and interactions with other species.
- 4851
- Looking at a Cactus with the QX5 Microscope
- Rudolf Baumueller turns his microscope on the cactus, Opuntia, and produces a photographic study of the plant.
- 4853
- Opuntia arenaria - Dune Pricklypear
- Image, description, and range of this rare plant in New Mexico.
