Cyperus eragrostis (CYPERACEAE) Nutsedge

Weeds to Whack

Common weed in seasonal creeks and other wet areas. Thrives in a disturbed plant community. Native to North and South America. It is a plant with a rhizome (rhizomatous) and triangular smooth, hairless stems 2-4 mm thick. Foliage is green, hairless, grass-like and about 4-8 mm in width. Inflorescences are yellowish-green seed heads. Seed-heads have five to eight large leafy bracts at their base. Common names include Drain Flat Sedge, Pale Galingale, Tall Flatsedge

Photo: Matt Tomkins