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The northern cardinal is found across the eastern half of the United States, even into extreme southeastern Canada and much of Mexico.

Guar is a drought-tolerant legume that was introduced into the United States from India in 1903. Guar (Hindi for "cow food") is an upright, coarse-growing summer annual legume known for its drought tolerance once established.

Musk thistles are invasive, noxious weeds in Oklahoma and many other states. They can infest roadsides and ditches, range and pasture lands, and occasionally even no-till farms and hayfields. The...