Amer. J. Sci. 203: 89, plate 2, figs. 7–12. 1922.
Culms 15–50 cm. Leaves basal; proximal leaves with blades 3–6 mm wide. Inflorescences: spikes separate, elongate, 5–25 × 4–6 mm; proximal spike often pendent, long-pedunculate; lateral spikes 2–4; distal spikes erect, short-pedunculate. Pistillate scales light-brown or reddish black, margins occasionally hyaline, midvein not or, occasionally, prominent, same color as body, inconspicuous or lighter colored, and conspicuous, lanceolate, apex acute or short-mucronate, shorter or longer than and narrower than perigynia. Perigynia proximally pale-yellow, distally purple-black, veined, broadly ovate or obovate to circular, 3.5–4 × 1.5–1.75 mm, smooth; beak 0.3–0.5 mm, smooth.
Phenology: Fruiting May–Sep.
Habitat: Subalpine and alpine meadows
Elevation: 2100–3500 m
Alta., B.C., Idaho, Mont., Oreg., Utah, Wyo.
Some specimens of Carex paysonis in Glacier County, Montana, show transitions to C. spectabilis. The names C. podocarpa and C. tolmiei have been misapplied to specimens of C. paysonis.