The plants are sometimes present in the thousands, and they can produce a brilliant floral display in the fall.

These stubborn plants threaten your lawn's health and aesthetics ... This broadleaved annual is recognised for its small, prickly burrs, sometimes featuring small yellow flowers. The plant is ...

with a small range right at the very tip of Florida, where it grows in pine rockland habitat. This delicate-looking plant is an annual herb that produces distinctive, half-inch-wide flowers with five ...