Decodon verticillatus (L.) Ell.

Description: English: Decodon verticillatus (L.) Elliott - swamp loosestrife. Date: 1989. Source: http://plants.usda.gov/java/largeImage?imageID=deve_002_ahp.tif. Author: Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Provided by USDA NRCS Wetland Science Institute.

Description: English: Decodon verticillatus flower, taken in Oswego County, New York. Date: 12 July 2012, 11:16:21. Source: Own work. Author: Antepenultimate.

Description: English: Decodon verticillatus in typical habitat, taken in Oswego County, New York. Date: 24 July 2012, 09:29:09. Source: Own work. Author: Antepenultimate.

Description: English: Decodon verticillatus (L.) Ell. - swamp loosestrife. Infestation, United States. Date: 11 August 2013, 14:51:53. Source: Forestry Images - Image Number: 1148177. Author: USDA APHIS PPQ Archive, USDA APHIS PPQ, Bugwood.org.

Description: English: Decodon verticillatus (L.) Elliott - Water willow. Date: 1918. Source: Wild Flowers of New York Part 1, Plate 143-A. University of the State of New York, State Museum, Albany. Author: Homer D. House, New York State Botanist. Walter B. Starr of the Matthews-Northrup Company, Buffalo, and Harold H. Snyder of the Zeese-Wilkinson Company, New York, photographers.

Description: English: Decodon verticillatus (L.) Elliott - swamp loosestrife. Date: 1989. Source: Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Author: Robert H. Mohlenbrock. USDA SCS. 1989. Midwest wetland flora: Field office illustrated guide to plant species. Midwest National Technical Center, Lincoln. Courtesy of USDA NRCS Wetland Science Institute.