Cyperus niger Ruiz & Pav.

Oregon: Douglas County: Cougar Creek Road (County Road 57C), milepost 9. 0.1 mile west of Bullock Bridge. 10.5 air miles northwest of Sutherlin.
UTM Zone 10, 461020E, 4814070N
Datum: WGS 84.
Saturated soil in wet roadside ditch. With Cyperus eragrostis, Echinochloa crus-galli. Culms to 65 centimeters tall, clustered on short rhizomes; achenes black, 1.2-1.3 millimeters long, slightly stipitate; scales 1.4-2.0 millimeters long; spikelets 6-23 per inflorescence, 8-9 millimeters long. Phenology: Fruits.

R.E. Brainerd 2268, Oct 5, 2013
WTU, Accession: 396485

Cyperus niger Ruíz & Pav.
Annotated by Brainerd, R., 2013.

Oregon: Douglas County: Cougar Creek Road (County Road 57C), milepost 9; 0.1 mile west of Bullock Bridge; 10.5 air miles northwest of Sutherlin.
43.4785° N, 123.482° W,
Uncertainty: 805 meters.
Culms to 65 cm tall, clustered on short rhizomes; achenes black, 1.2-1.3 mm long, slightly stipitate; scales 1.4-2.0mm long; spikelets 6-23 per inflorescence, 8-9 mm long.

R.E. Brainerd 2268, Oct 5, 2013
OSC, Catalog: OSC242770

Cyperus niger Ruiz & Pav.

Oregon: Douglas County: Cougar Creek Road (County Road 57C), milepost 9. 0.2 mile west of Bullock Bridge. 10.5 air miles northwest of Sutherlin. Elev. 250 ft.
43.47886° N, 123.48056° W
Datum: NAD 27.
Wet roadside ditch, saturated soil. With Rorippa nasturtium-aquaticum, Cyperus eragrostis, Solanum dulcamara, Rubus armeniacus, Veronica americana. Cespitose. Phenology: Fruits.

R.E. Brainerd 891, Jul 16, 2007
With N. Otting
WTU, Accession: 379396

Cyperus niger Ruíz & Pav.
Annotated by Carex Working Group, 12 Jan 2013.

Oregon: Douglas County: Cougar Creek Road (County Road 57C), milepost 9. 0.2 mile west of Bullock Bridge. 10.5 air miles northwest of Sutherlin. Elev. 76.20 m.
43.4789° N, 123.4806° W,
Uncertainty: 805 meters.
Cespitose.

R.E. Brainerd 891, Jul 2007
With N. Otting
OSC, Catalog: OSC223471