| Scientific Name | Cyperus erythrorhizos Muhl. |
| Family | Cyperaceae |
| Common Names | redroot flatsedge |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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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 
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 
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
