Description: English: Najas flexilis Русский: Najas flexilis. Наяда гибкая. Date: 1995. Source:
http://plants.usda.gov/java/largeImage?imageID=nafl_002_ahp.tif. Author: Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester.