Hutson, Robert W., William Franklin Hutson, Aaron J. Sharp, and Carlos Clinton Campbell. Campbell, Hutson, and Sharp's Great Smoky Mountains wildflowers. 5th ed. Northbrook, IL: Windy Pines Pub., 1995.

Campbell, Carlos Clinton, William Franklin Hutson, and Aaron J. Sharp. Great Smoky Mountain Wildflowers. 4th ed. Knoxville, TN: University of Tennessee Press, 1992.

Campbell, Carlos Clinton, William Franklin Hutson, and Aaron J. Sharp. Great Smoky Mountains Wildflowers. 4th ed. Knoxville, TN: University of Tennessee Press, 1992.

Campbell, Carlos Clinton, William Franklin Hutson, and Aaron J. Sharp. Great Smoky Mountains Wildflowers. 3rd ed. Knoxville, Tenn.: University of Tennessee Press, 1970.

Campbell, Carlos Clinton, Robert W. Hutson, William Franklin Hutson, and Aaron J. Sharp. Great Smoky Mountains Wildflowers. Knoxville, TN: University of Tennessee Press, 1964.

Campbell, Carlos Clinton, William Franklin Hutson, Hershal Luthor Macon, and Aaron J. Sharp. Great Smoky Mountains Wildflowers. Knoxville, Tenn.: University of Tennessee Press , 1962.