Cyperus eragrostis Lam.
Annotated by Ben Legler, Sep 2016.

Washington: King County: Along a constructed stream channel in wetland restoration site on northeast side of confluence of Bear Creek and Evans Creek; Redmond. Elev. 16 m.
47.680761° N, 122.089885° W
Datum: WGS 84. Uncertainty: 4 meters. Coordinate Source: GPS.
Old field converted to wetland and bisected by constructed stream channel now flooded by a beaver dam; margins quickly filling with small Populus trichocarpa saplings, Salix lucida, and Impatiens capensis; shallow water with Typha latifolia, Juncus acuminatus, Carex. Plants cespitose, forming tufts; leaves bright green; spikelets yellow-green, subtended by elongate leafy bracts; plants frequent in shallow water of stream channel. Photographed. Phenology: Flowers & Fruits.

Ben Legler 14405, Sep 24, 2016
WTU, Accession: 430713, Barcode: WTU-V-089052