Juncus brachycarpus Engelm.
Annotated by Dominic Maze, 8 May 2023.

Oregon: Linn County: Curtis Slough. Backwater channel of the Willamette River. 1 mile upstream of Harrisburg, Oregon. Under Harrisburg Bend railroad feature. At gravel bar to south of outlet mouth. Elev. 150 ft.
44.24725° N, 123.172755° W,
Datum: WGS 84. Uncertainty: 147 meters. Coordinate Source: Digital Map.
Plants growing in low depression of gravel bar in hardpacked gravelly dirt. Tepals both + and - than fruits on different flowers; green with light brown margins. Seeds ellipsoid, ~0.6 mm, apiculate on both ends. Several distinct clumps of plants. Phenology: Flowers & Fruits.

Dominic Maze 1853, Jul 5, 2021
With Olivia Duren, Zane Maze, Cyrene Maze
HPSU, Accession: 23598