From: Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento, CA.
''Cicuta douglasii'' From: Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA NRCS. 1992. ''Western wetland flora: Field office guide to plant species.'' West Region, Sacramento, CA. http://plants.usda.gov/java/largeImage?imageID=cido_001_ahp.tif
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):