| Scientific Name | Cyperus difformis L. |
| Family | Cyperaceae |
| Common Names | Variable flatsedge, Asian flatsedge |
| Eastern Washington | Introduced – Eurasia, Africa, Australia |
| Synonyms | None |
| Conservation Status | |
| Notes |
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.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
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.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
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.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/2/2015 
Cyperus spikelet comparison: C. difformis on the left, C. squarrosus in the middle and C. strigosus on the right.
