Myriophyllum sibiricum Kom. × Myriophyllum spicatum L.

Washington: Grant County: Potholes Wildlife Area. Drainage slough west side of road, south side of slough. From roadside to 2 kilometers west of road. Elev. 314 m.
47.08172° N, 119.34336° W
Datum: WGS 84. Uncertainty: 5 meters.
Shallow water of slough and adjacent sandy embankment up to 50 meters in from slough. Moisture gradient from saturated to dry and alkaline. Growing in shallow water of slough. [Also on this sheet: Myriophyllum spicatum. Filed under Myriophyllum sibiricum × Myriophyllum spicatum.] Phenology: Fruits.

David Giblin 2332, Aug 29, 2008
WTU, Accession: 380336A, Barcode: WTU-V-026239