Luzula acutifolia subsp. acutifolia
Tufted, isolated plants or colony-forming and connected by short, thick rhizomes, usually with a thick layer of fibrous leaf remains at base of plant, flowering stems erect, to 20 cm high, far exceeding leaves. Leaves strongly channelled, 1–2 mm wide, stiff, margins prominent, pale, mostly glabrous to very sparsely ciliate, but densely ciliate near base; at least the young leaves and leafy bracts acute at apex. Inflorescence a single dense ovate cluster c. 1 cm long and 0.8 cm wide, rarely with one or two smaller pedunculate clusters; tepals acuminate, 2.5–3.2 mm long, dark brown to almost black, with narrow, pale, membranous margins near apex; anthers 0.8–1.3 mm long; capsules slightly shorter or equal to tepals, shining dark brown or almost black; seeds c. 1.3 mm long excluding caruncle which is c. one-eighth as long as seed. Flowers Nov.–Feb.
HNF, VAlp. Also Tas. Known from the Bogong High Plains and adjacent peaks (Mts Bogong, Nelse, Jim, Loch, Basalt Hill), Mt Hotham, Mt Reynard, and Mt Buffalo, sometimes locally abundant, particularly on shallow soils in areas where patches of late-lying snow regularly occur.
Luzula acutifolia subsp. nana Edgar is a diminutive, strongly rhizomatous subspecies which is apparently confined to the Kosciusko range in NSW.