Spartina densiflora Brongn.
Annotated by Jeff M. Saarela, 2011.

Washington: Island County: Whidbey Island: Near Coupeville - upper intertidal shoreline.
T32N R2E S37
Datum: WGS 84. Uncertainty: 6516 meters. Coordinate Source: Digital Map.
Gravelly sand and mud substrate. Clumped appearance of S. densiflora make it look very different than S. anglica. 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. Leaf material removed for DNA analysis by Tess Clapp at WTU, 7 August 2013. Tissue sampled for phytolith analysis by the Stromberg lab at University of Washington, date: January 2016. Reference specimen for illustration in Revision of Flora of the Pacific Northwest WTU Herbarium, 2016. Phenology: Flowers.

David Heimer 01-01, Nov 14, 2001
WTU, Accession: 349303, Barcode: WTU-V-030265