Spartina patens (Ait.) Muhl.
Annotated by Jeff M. Saarela, 2011.

Oregon: Lane County: Center of Cox Island in Siuslaw River Estuary, 3.5 kilometers east of Florence.
T18S R11W S30 SW corner.
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
In a salt marsh associated with Distichlis spicata, Deschampsia cespitosa, and Scirpus maritimus. Matted perennial, growing in single species patches; introduced from eastern U.S.. Specimen cited in: Saarela JM (2012) Taxonomic synopsis of invasive and native Spartina (Poaceae: Chloridoideae) in the Pacific Northwest (British Columbia, Washington and Oregon), including the first report of Spartina x townsendii for British Columbia, Canada. Phytokeys 10: 25-82. doi: 10.3897/phytokeys.10.2734. Reference specimen for illustration in Revision of Flora of the Pacific Northwest WTU Herbarium, 2016. Phenology: Fertile.

R. E. Frenkel s.n., Oct 22, 1977
WTU, Accession: 286900, Barcode: WTU-V-030264