Juncus hesperius (Piper) H.L. Lint × Juncus laccatus P.F. Zika

Washington: Cowlitz County: Exit 39 on I-5 south, 1.5 air kilometers south of Rocky Point, east of Cowlitz River. Elev. 49 ft.
46° 9.4' N, 122° 54.2' W
Seepage by ditch, full sun, with Holcus, Equisetum arvense, Carex pachystachya, Juncus bufonius, Juncus effusus subsp. pacificus, Juncus hesperius, Juncus laccatus. Cespitose, stem 1.2-1.7 millimeters diameter, 8-10 ridges; sheath symmetrical, truncate, dark apex, 9-12 centimeters long; tepals dark-striped, 1.9-2.5 milimeters; fruit 2.1 millimeters; style 0.2 millimeter; anthers 0.6 millimeter; filaments 0.6 millimeter; seed 0.5 x 0.2 millimeter, apiculate, reticulate. Phenology: Fruits.

Peter F. Zika 23085, Jun 27, 2007
WTU, Accession: 369402