Hemicarpha drummondii Nees in C. F. P. von Martius et al., Fl. Bras. 2(1): 62. 1842 (as drummondi); H. micrantha (Vahl) Pax var. drummondii (Nees) Friedland

Culms 2–12 cm × (0.2–)0.3–0.5 mm. Leaves 1–3 cm × 0.3–0.6 mm; longest involucral leaf ± erect. Inflorescences: spikes 1–2(–3), ovoid (to globose), 1–5(–6) × 1–2 mm, not bristly; bracts 1–2, longest erect, 0.5–2 cm × 0.3–0.5 mm. Spikelets: floral scales 2; 1st scale light brown to reddish brown, with greenish midvein, obtrullate, 0.9–1.3 × 0.3–0.6 mm, widest above mid length, long-acuminate; 2d scale reddish brown distally, with 2–4 reddish veins, oblong, 0.5–0.8 × 0.2 mm; 3d scale absent; stamen 1; anther 0.2 mm; stigmas 2. Achenes obovoid, terete, 0.5–0.75 × 0.25–0.35 mm, 1.5–2.5 times long as wide.

Fruiting late summer–early fall. Emergent shorelines, usually sandy soils; 0–1200 m; Ariz., Ark., Ill., Ind., Kans., Mo., Nebr., N.Mex., Ohio, Okla., Tex., Wis.