Eleocharis quadrangulata (Michx.) Roem. & J.A. Schult.

Oregon: Lane County: Circa 0.1 mile northwest of junction of Amazon canal and Danebo Street, West Eugene. Elev. 385 ft.
T17S R4W S33 NW of NW
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
Full sun, wet prairie remnant, with Mentha pulegium, Eleocharis palustris, Eleocharis acicularis, Juncus articulatus, by abandoned airport runways. Rhizomatous, stems 4-angled and yellow-green, naturalized. Phenology: Fertile.

P. F. Zika 13225, Jul 8, 1997
With E. Alverson
WTU, Accession: 368372

Eleocharis quadrangulata (Michx.) Roem. & Schult.
Annotated by Zika, P., 1997.

Oregon: Lane County: by abandoned airport runways, ca. 0.1 miles NW of junction of Amazon canal & Danebo St.; West Eugene. Elev. 117.35 m.
44.0536° N, 123.1858° W,
Uncertainty: 201 meters.
Rhizomatous, stems 4-angled & yellow-green; 1 extensive clone.

P.F. Zika 13225, Jul 8, 1997
With E. Alverson
OSC, Catalog: OSC199649

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

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. Elev. 385 ft.
T17S R4W S33 NW1/4 NW1/4
Datum: WGS 84. Uncertainty: 284 meters. Coordinate Source: Digital Map.
Naturalized in wet prairie remnant; with Mentha pulegium, Eleocharis palustris, E. acicularis, Juncus articulatus; full sun. Phenology: Flowers and Fruits.

P. F. Zika 13225, Jul 8, 1997
With E. Alverson
ID, Accession: 164382, Barcode: ID157598

Eleocharis quadrangulata (Michx.) Roem. & Schult.
Annotated by Zika, 1996.

Oregon: Lane County: W of S end of Danebo St., N of Amazon canal, W Eugene Elev. 117.96 m.
44.0518° N, 123.1833° W,
Uncertainty: 402 meters.
Sheet 1 of 2.

E. Alverson s.n., Jul 1996
OSC, Catalog: OSC187078

Eleocharis quadrangulata (Michx.) Roem. & Schult.
Annotated by [unknown].

Oregon: Lane County: W Eugene. Elev. 117.96 m.
44.0482° N, 123.1783° W,
Uncertainty: 805 meters.
Sheet 2 of 2; Det. Zika 1996.

[none] s.n.,
OSC, Catalog: OSC187077