Wolffia brasiliensis Wedd.
Annotated by Ben Legler, Sep 2014.

Washington: Lewis County: Gifford Pinchot National Forest: Pond on east side of Highway 131 (FS Road 25) 5 air km south of Randle. Elev. 457 m.
46.491571° N, 121.946269° W
Datum: WGS 84. Uncertainty: 25 meters. Coordinate Source: GPS.
Small, deep pond with stands of Typha latifolia, much of water surface covered in Wolffia; pond surrounded by mature conifer forest. Fronds oblong, boat-shaped with rounded ends, ca. 1.2-1.4 times as long as broad, upper surface flattened, with prominent papilla in center; plants common, floating on water surface, with Spirodella.

Ben Legler 13350, Sep 22, 2014
With Sara Legler
WTU, Accession: 407787, Barcode: WTU-V-021803