Dr. Long noted that the techniques applied only to legumes, the family of plants that includes beans, alfalfa, peas and clover.

Examples include alfalfa, clover, and most grasses, including wheat and barley.

This may include corn, and "hay", which includes alfalfa, timothy, and clover.

The agents include dong quai, milk thistle, red clover, licorice, and chaste tree berry.

Larval food plants include beet, tomato and clover.

Crops grown in the area include clover, alfalfa, potatoes, grasses and vegetables.

The crops grown in Union County's early history included wheat, oats, corn, Irish potatoes, clover and alfalfa.

Exotic plant species include leafy spurge, Canada thistle and sweet clover.

Meadow herbs include white clover and poppy.

Wildflowers include clover, knotweed, nettle, bellflower and fescue.