Carex bicknellii Britton in N. L. Britton and A. Brown (Q320)

Perigynia 15–80 in larger spikes, ascending or ascending-spreading, green to pale whitish green with reddish-brown margin, conspicuously 8–12-veined abaxially, 4–8-veined adaxially, broadly elliptic to nearly orbiculate, (4.5–) 5.1–6.7 (–7.1) × (2.4–) 2.8–4.2 mm, 0.5–0.7 mm thick, membranaceous with brown achene visible through hyaline adaxial face, margin flat, including wing 0.8–1.2 mm wide, often erose, scalloped, or with an irregular tooth, smooth;