Park vegetation that may have burrs or seeds that could get tangled in a dog's coat or lodge in a dog's feet, ears, or eyes;
(Park vegetation; may have; burrs or seeds that could get tangled in a dog's coat) (burrs or seeds; could get tangled; in a dog's coat)
Park vegetation burrs or seeds
may have could get tangled
burrs or seeds that could get tangled in a dog's coat
in a dog's coat