Richardson's Pondweed

Description: English: Potamogeton richardsonii from Robert H. Mohlenbrock. USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. Courtesy of USDA NRCS Wetland Science Institute. Date: 1992. Source: http://plants.usda.gov/java/largeImage?imageID=pori2_001_avp.tif. Author: Robert H. Mohlenbrock. Permission(Reusing this file): Public domainPublic domainfalsefalse. : This image is a work of the Natural Resources Conservation Service, part of the United States Department of Agriculture, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States. : .