| Scientific Name | Elodea nuttallii (Planch.) H. St. John |
| Family | Hydrocharitaceae |
| Common Names | Nuttall’s or western waterweed |
| Eastern Washington | Native |
| Conservation Status | |
| Notes |
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3.06 air mi SW of Mattawa, WA just S of the Buckshot Recreation area parking lot; N 46.71063 W 119.95333; Grant Co., 10/13/2016 
3.06 air mi SW of Mattawa, WA just S of the Buckshot Recreation area parking lot; N 46.71063 W 119.95333; Grant Co., 10/13/2016 
3.06 air mi SW of Mattawa, WA just S of the Buckshot Recreation area parking lot; N 46.71063 W 119.95333; Grant Co., 10/13/2016 
3.06 air mi SW of Mattawa, WA just S of the Buckshot Recreation area parking lot; N 46.71063 W 119.95333; Grant Co., 10/13/2016 Leaves of Elodea canadensis for comparison. 4.8 air mi SW of Tiger, WA along the E edge of Leo Lake; N 48.64856 W 117.49296; Pend Oreille Co., 9/26/2016
