Daucus pusillus

Daucus pusillus is a species of wild carrot known by the common names American wild carrot and rattle-snake-weed. Its Latin name means "little carrot", or "tiny carrot". It is similar in appearance to other species and subspecies of wild carrot, with umbels of white or pinkish flowers. The taproots are small, edible carrots. It should not be confused with Conium maculatum, which is highly poisonous.