Yellow nutsedge—sometimes referred to as nutgrass—is a persistent weed problem in lawns, athletic fields, and golf course turf. This species thrives in moist, poorly drained soils and can persist in full sun and moderate shade. Yellow nutsedge (Cyperus esculentus) is an aggressive weed that spreads via underground stems and tubers. CONTINUE
SOURCE: https://extension.psu.edu/lawn-and-turfgrass-weeds-yellow-nutsedge-cyperus-esculentus