Magnoliophyta
Liliopsida
Cyperaceae
Cyperus
Cyperus lhotskyanus
Glumes 3–3.5 mm long, acute in side view, with a distinct straight or reflexed mucro; sides reddish-brown, with 3–4 prominent nerves. Tufted perennial with a short woody sometimes creeping rhizome. Blue Mts River banks