Research
- Changes in Riparian Vegetation in Arizona
- Research involving the use of repeat photography at surface-water gaging stations to monitor changes in riparian vegetation in Arizona over the span of many decades.
- Repeat Photography for Mojave Desert Ghost Towns and Mining Sites (external link)
- Research involving the use of repeat photography at ghost towns in the Mojave Desert Ecosystem project area.
- The Sonoran Plant Atlas
- Raw data from the book Sonoran Desert Plants: An Ecological Atlas. The data describe the taxonomy, geographic distribution, and ecology of hundreds of plants.

