Eleocharis quadrangulata (Michx.) Roem. & Schult.

Oregon: Lane County: By abandoned airport runways, ca 0.1 miles NW of junction of Amazon canal and Danebo St, West Eugene. Elev. 385 ft.
R17S R4W S33 NW1/4 NW 1/4
Datum: WGS 84. Uncertainty: 233 meters. Coordinate Source: Digital Map.
Naturalized in wet prairie remnant; with Mentha pulegium, Eleocharis palustris, E. acicularis, Juncus articulatus; full sun. Rhizomatous, stems 4-angled and yellow green; 1 extensive clone. Phenology: Flowers and Fruits.

P. F. Zika 13225, Jul 8, 1997
With E. Alverson
ID, Accession: 164381, Barcode: ID157597