| Scientific Name | Persicaria amphibia (L.) Gray |
| Family | Polygonaceae |
| Common Names | water smartweed |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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S of Hwy 904 W of Cheney, WA, 0.2 mi E of Ritchey Rd N – Spokane Co. – 6/12/2005 
S of Hwy 904 W of Cheney, WA, 0.2 mi E of Ritchey Rd N – Spokane Co. – 6/12/2005 
S of Hwy 904 W of Cheney, WA, 0.2 mi E of Ritchey Rd N – Spokane Co. – 6/12/2005 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/17/2012 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/17/2012 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/17/2012 
North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/24/2012 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/17/2012 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/17/2012 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/19/2012 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/17/2012 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/19/2012 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/17/2012 
North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/24/2012 North edge of Mcdowell Lake; ca. 10.5 air mi. SE of Colville, WA; N 48.46953 W 117.68309; Stevens Co.; 8/24/2012 
Along Sand Dunes Rd. ca. 1.75 mi. S of S. Frontage Rd. E.; S of w. edge of Moses Lake, WA; N 47.07195 W 119.34223; Grant Co.; 8/17/2012 
Near boat ramp at N end of CoffeePot Lake; 17.9 air mi S of Creston, WA; N 47.50027 W 118.55563; Lincoln Co.; 7/30/2017 
Near boat ramp at N end of CoffeePot Lake; 17.9 air mi S of Creston, WA; N 47.50027 W 118.55563; Lincoln Co.; 7/30/2017 
Near boat ramp at N end of CoffeePot Lake; 17.9 air mi S of Creston, WA; N 47.50027 W 118.55563; Lincoln Co.; 7/30/2017 
Near boat ramp at N end of CoffeePot Lake; 17.9 air mi S of Creston, WA; N 47.50027 W 118.55563; Lincoln Co.; 7/30/2017 
Near boat ramp at N end of CoffeePot Lake; 17.9 air mi S of Creston, WA; N 47.50027 W 118.55563; Lincoln Co.; 7/30/2017 
Near boat ramp at N end of CoffeePot Lake; 17.9 air mi S of Creston, WA; N 47.50027 W 118.55563; Lincoln Co.; 7/30/2017 
Near boat ramp at N end of CoffeePot Lake; 17.9 air mi S of Creston, WA; N 47.50027 W 118.55563; Lincoln Co.; 7/30/2017 
Near boat ramp at N end of CoffeePot Lake; 17.9 air mi S of Creston, WA; N 47.50027 W 118.55563; Lincoln Co.; 7/30/2017 
Near boat ramp at N end of CoffeePot Lake; 17.9 air mi S of Creston, WA; N 47.50027 W 118.55563; Lincoln Co.; 7/30/2017