Juncus effusus L. ssp. effusus × Juncus effusus L. ssp. pacificus (Fern. & Weig.) Piper & Beattie
Annotated by Peter F. Zika, 2002. Remarks: WTU.

Washington: Cowlitz County: Near I-5; 2 kilometers southeast of the town of Castle Rock. Elev. 98 ft.
T9N R2W S14 SE 1/4 of SE 1/4
Datum: NAD 27. Uncertainty: 805 meters. Coordinate Source: TRS2LL.
Moist rocky west-facing bank; with Holcus lanatus, Agrostis capillaris, Typha latifolia. Cespitose, tepals and branches erect; roadside weed. Phenology: Fruits.

P. F. Zika 13609, Sep 15, 1998
WTU, Accession: 337349