Cyperus sphaeroideus
Spikelets not usually more than 50, in a globular head, yellowish. Glumes only rarely with a denticulate keel. Stamens 2–3. Widespread. Wet places. Weed in lawns and gardens
Spikelets not usually more than 50, in a globular head, yellowish. Glumes only rarely with a denticulate keel. Stamens 2–3. Widespread. Wet places. Weed in lawns and gardens