- The International Herbicide-Resistant Weed Database
- The Botany Depot page, with resources for teaching botany
- An Agricultural Biodiversity blog
- Changing the next generation of STEM professionals
- Intro to Vascular Plant Structure with links to other online plant anatomy resources
- An explanation of the formation of the Sierra Nevada mountain range (surprisingly complex!)
- An illuminating cartoon about science vs. human nature
- A CNPS talk on the flora of the San Joaquin Desert (a little-recognized ecosystem)