Wolffia brasiliensis Wedd.
Annotated by Wagner, D., 2010.

Oregon: Lane: Old gravel pit pond on E side of Delta Highway, off the end of Fir Acres Drive, south of Goodpasture Island Road. Elev. 400 ft.
44.081111° N, 123.101111° W,
Coordinate Source: OrlookId: 30546, StateProvince: Oregon, County: Lane, LocName: Lat 44 Deg 4 Min 52 Sec; Lon -123 Deg 6 Min 4 Sec. OregonFlora 1994-2020 methodology.
Around edge of pond in a nearly pure population; small amount of Lemna minor, W. columbiana and W. borealis present. Lemna minor, Wolffia columbiana, Wolffia borealis Https://oregonflora.org/collections/individual/index.php?occid=977070.

David H. Wagner m2634, Aug 25, 2010
With D.H. Wagner
OSC, Catalog: OSC-V-064019, Accession Number: OSC228260