| Binomial Name | Persicaria hydropiper (L.) Spach |
| Family | Polygonaceae |
| Common Names | smartweed, mild water-pepper |
| Eastern Washington | Introduced |
| Conservation Status | |
| Notes |
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Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020r 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020 
Sandy outwash of the Pend Oreille R. ca. 2.8 mi N of Newport, WA; N 48.21917 W 117.06171; Pend Oreille Co.; 9/8/2020