Carex buchananii Berggr.
Annotated by Peter F. Zika, 31 May .

Washington: King: Sunny dry crack in concrete wall on bridge, S aspect; SW Admiral Way, above Fairmont Avenue SW, West Seattle. Elev. 100 m
47.5813° N, 122.3824° W,
Sunny dry crack in concrete wall on bridge, S aspect. Hordeum murinum, Geranium robertianum, Erodium cicutarium, Stellaria media Same plant as 30512; Cespitose, leaves C- or V-shaped in x-section, tips not curled, shiny, dark green; inflorescence lax; 2 styles, perigynia shiny, green and brown, unnerved, 2.6-3.0 x 1.3-1.6 mm wide, elliptic to elliptic-obovoid; female scales 2.6-3.1 mm, including an awn 0.2-0.6 mm, pale brown, thin, 3-5 nerved. Https://oregonflora.org/collections/individual/index.php?occid=6078473.

Peter F. Zika 30546, 31 May 2021
OSC, Catalog: OSC-V-270243