Juncus nevadensis S. Watson var. inventus (L.F. Hend.) C.L. Hitchc.
Annotated by Ben Legler, 19 Feb 2020.

Washington: Grays Harbor County: Along beach ca 0.55 km south of mouth of Boone Creek and 4.5 air km north of town of Copalis Beach. Elev. 1 m.
47.153988° N, 124.191011° W
Datum: WGS 84. Uncertainty: 3 meters. Coordinate Source: GPS.
Upper margin of a broad, sandy beach at base of bluff just north of a small stream, with scattered Jaumea carnosa, Agrostis sp., Plantago maritima, Triglochin striata, backed by dense stand of Ammophila breviligulata, Schoenoplectus americanus and Juncus breweri. Tepals ca 2.6-3 mm, with either dark brown or green centers and dark red-brown margins; stamens 6, anthers ca 0.8-1 mm, ca equalling filaments; styles 1-1.3 mm, stigmas 1.5-2 mm; capsules ca 4 mm, exserted, obtusely tapered to a distinct beak; inflorescences with 7-26 clusters of ca 10-20 flowers each; leaves 3-4 mm wide; plant rhizomatous, forming a single dense clump of stems ca 4 dm wide in sand. Photographed. Phenology: Flowers and Fruits.

Ben Legler 15062, Jul 31, 2019
ID, Accession: 183411, Barcode: ID188964