Image:Vallisneria americana (USDA).jpg

Vallisneria americana

• From: USDA-NRCS PLANTS Database [1]
• William & Wilma Follette. USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento, CA. Courtesy of USDA NRCS Wetland Science Institute.
• Image without copyright, according to the above USDA page

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