Which of the following is an example of a grassy weed?

Crabgrass is an example of a grassy weed because it belongs to the family Poaceae, which encompasses many grass species. Grassy weeds are characterized by their grass-like growth, including narrow leaves and jointed stems. Crabgrass typically emerges in warmer months and can be a significant nuisance in lawns and other turfgrass areas, as it competes with desirable grasses for nutrients and water. This type of weed has a trailing growth habit and can spread quickly, making it important to recognize and manage effectively in turfgrass management.

In contrast, dandelions and wild onions are broadleaf plants, which do not exhibit the grass-like characteristics of grassy weeds. Nutsedge, while sometimes mistaken for a grass, is actually classified as a sedge, which is a different category of plant altogether, distinct from true grasses. Recognizing these classifications helps in understanding their management and control within turf environments.