Cyperus difformis February 8, 2020December 24, 2019 by rcarr Scientific NameCyperus difformis L.FamilyCyperaceaeCommon NamesVariable flatsedge, Asian flatsedgeEastern WashingtonIntroduced – Eurasia, Africa, Australia SynonymsNoneConservation StatusNotes Click on any image to enlarge it. Along E side of the Columbia R. ca. 6.2 mi NE of W. Richland, WA; near parking area abt o.4 mi N of Rivershore Dr. along Columbia R.; N 46.35933 W 119.25846; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along E side of the Columbia R. ca. 6.2 mi NE of W. Richland, WA; near parking area abt o.4 mi N of Rivershore Dr. along Columbia R.; N 46.35933 W 119.25846; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along E side of the Columbia R. ca. 6.2 mi NE of W. Richland, WA; near parking area abt o.4 mi N of Rivershore Dr. along Columbia R.; N 46.35933 W 119.25846; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015Cyperus spikelet comparison: C. difformis on the left, C. squarrosus in the middle and C. strigosus on the right.