Manual of California Native Plants
Focuses on plant ecology with ideas and methods to accomplish a successful native landscape or restore a native site.
www.laspilitas.com/cat1.htm
USGS-NPS Vegetation Mapping Program
Cooperative effort by the U.S. Geological Survey and the National Park Service to classify, describe, and map vegetation communities in more than 270 national park units across the United States.
biology.usgs.gov/npsveg
Plant Survival in Natural and Agricultural Ecosystems
Investigating the mechanisms that plants employ to adapt to their biotic and abiotic environment and to cope with important stress factors. A Swiss National Centres of Competence in Research (NCCR) project.
www.unine.ch/nccr
Changing Global Land Surface
Discusses human influence in climate changes and the possible migration of plant biomes.
terra.nasa.gov/FactSheets/LandSurface