1. Southern California shrub and subshrub use-availability data
- Author(s):
- Riordan, Erin C.; Montalvo, Arlee M.; Beyers, Jan L.; Johnson, Nels G.; Williams, Matthew R.
2. Long-term plant invasion in disturbed and undisturbed forests: species richness, frequency, and abundance
- Author(s):
- Huebner, Cynthia D.
U.S. Department of Agriculture