| Scientific Name | Cyperus bipartitus Torr. |
| Family | Cyperaceae |
| Common Names | shining flatsedge |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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Ca. 50 yds S of the boat launch ramp at Horsethief Lake (Columbia R.) NE of The Dalles, OR; N 45.64231 W 121.10471; Klickitat Co.; 8/16/2014 
Ca. 50 yds S of the boat launch ramp at Horsethief Lake (Columbia R.) NE of The Dalles, OR; N 45.64231 W 121.10471; Klickitat Co.; 8/16/2014 
Ca. 50 yds S of the boat launch ramp at Horsethief Lake (Columbia R.) NE of The Dalles, OR; N 45.64231 W 121.10471; Klickitat Co.; 8/16/2014 
Ca. 50 yds S of the boat launch ramp at Horsethief Lake (Columbia R.) NE of The Dalles, OR; N 45.64231 W 121.10471; Klickitat Co.; 8/16/2014 
Ca. 50 yds S of the boat launch ramp at Horsethief Lake (Columbia R.) NE of The Dalles, OR; N 45.64231 W 121.10471; Klickitat Co.; 8/16/2014 
Ca. 50 yds S of the boat launch ramp at Horsethief Lake (Columbia R.) NE of The Dalles, OR; N 45.64231 W 121.10471; Klickitat Co.; 8/16/2014 
Ca. 50 yds S of the boat launch ramp at Horsethief Lake (Columbia R.) NE of The Dalles, OR; N 45.64231 W 121.10471; Klickitat Co.; 8/16/2014 
Ca. 50 yds S of the boat launch ramp at Horsethief Lake (Columbia R.) NE of The Dalles, OR; N 45.64231 W 121.10471; Klickitat Co.; 8/16/2014 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/7/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/7/2015 
Along the Columbia River at Ringold, WA; N of drainage canal near boat launch; N 46.50582 W 119.26142; Franklin Co.; 10/7/2015