Carex foenea is a perennial sedge, tufted, ca 70 cm, yellow-green.
Leaves of two types: basal leaves bladeless, stem leaves about 0.4 cm wide.
Flower spikes bead-like on axis bracts small, linear, spikes 3-15, narrowly elliptic ca 2-3cm long, sessile, at top of stem; staminate flowers at base of spike, perigynia flat, appressed, crowded, scale covering perigynia; inflorescence elongate, drooping; blooms June-July.
Wetland status: UPL
Frequency in NYC: Very infrequent.
Habitat: Found in wet soil, open area, pond edge, also in dry, open, sandy soil.