Carex flaccifolia Mackenzie; C. jepsonii J. T. Howell

Culms 25–100 cm. Leaves: sheath fronts brownish; blades 2–6 mm wide. Spikes: proximal pistillate spikes white, ovate, 7–30 × 5–9 mm, ciliate distally; terminal spike white-hyaline, tinged red-brown, ovate, 5–30 × 2–4 mm. Perigynia green, ca. 5-veined, 3.7–5.5 × 1.5–2.5 mm; beak tip with narrow, white margins. Achenes ovoid to obovoid, 2.8–3.9 × 1.7–2.4 mm.

Fruiting summer. Dry, sandy and gravelly meadows, open forests; 1200–3400 m; Calif., Nev., Oreg.