Carex argyrantha perennial, 30 cm to 1 m, tufted, yellow-green; basal leaves bladeless.
Leaves of flowering stems 0.3-0.5 cm wide.
Flower spikes 3-15, bead-like along the axis, narrowly elliptic 0.6-2.5 cm long, stalkless; male (staminate) flowers at base of spike, perigynia appressed to axis, crowded, often covered by scale, silvery-green, finely warty (use lens), flat, 0.3-0.4 cm long, 0.1-0.2 cm wide, with about 5-8 conspicuous veins on each side, margins winged, wing margins finely toothed or fringed; inflorescence elongate, drooping, bracts small, hair-like; blooming and fruiting June-July.
Wetland status: UPL.
Frequency in NYC: Rare (NYS S3, U).
Habitat: Dry, sandy or rocky soil, open woods.
Notes: Much like C. foenea except for silvery-green perigynia.