SDE Feature Class
weed, Don Edwards Wildlife Refuge, pepperweed, environment, biota, invasive, San Francisco Estuary, San Francisco Bay, Lepidium latifolium
The database contains distribution data of surveying efforts for pepperweed (Lepidium latifolium) for individuals to view and to produce maps to assist in monitoring, eradicating and controlling this species.
This layer contains polygon data for the perennial pepperweed (Lepidium latifolium) database. This database represents the areas surveyed throughout the San Francisco Bay, San Pablo Bay and Suisun Bay in California between July, 2004 and June, 2007. Perennial pepperweed is a non-native invasive plant that is currently invading wetland, riparian and cultivated areas throughout California. The area surveyed was identified using aerial images. This data layer is to be used in association with the shapefile, "Perennial Pepperweed Patches - San Francisco Estuary [ds295]" which shows the patches of Lepidium latifolium mapped within the areas surveyed.
Environmental Science Associates
If the data is used in a professional document or published, then Environmental Science Associates should be cited as the authors of the data.