Horseweed

Seedling plants.  Key characteristics: rosette appearance, oval leaves covered with hair.  Photo courtesy of Dr. Harlan Palm, DuPont Agricultural Products.

Vegetative plant.  Key characteristics: stems and leaves are hairy; leaves are alternate and nearly linear in shape.

Flowers.  Key characteristics: each plant has many small white flowers.  

Seed.  Seed are approximately 1.0 mm long and have an attached pappus which is white and bristly.

Life cycle: winter or summer annuals.