Carex ustulata Wahlenb.

Carex atrofusca, the dark brown sedge or scorched alpine sedge,[1] is a species of sedge with a circumpolar or circumboreal distribution in the northern hemisphere.

[2][3][4][5] Carex atrofusca is a perennial cespitose loosely tufted sedge approximately 6–30 cm high.

Leaves are 3–4 mm in with approximately half as long as flowering stems.

It is monoecious, with 2-4 spikes, top most one male and 1-3 female spikes nodding.