California vegetation data in tabular and geospatial formats from the US Forest Service. This resource includes vegetation classification keys and descriptions with mid-level species detail for each CALVEG Zone.
The Nature Conservancy’s central portal for geospatial content. This includes web maps, apps, a map gallery, local initiative portals, conservation data, and other resources.
Provides access to a map library of over 100 high-resolution vector and raster layers. Environmental and natural resources data. Choose your area of interest, browse and select data, customize the format, then review and download.
The UC Davis Library Map Collection is an extensive research-level collection of maps, both print and electronic, and a supporting collection of guides, gazetteers, and atlases.