Upper Midwest Environmental Sciences Center
Recent records of the crystal darter in the middle Mississippi River
Stewart, J. G., Barko, V. A., Herzog, D. P., Henry, D. B., Ridings, J. W., Kelley, A. F., and Wallace, J. E., 2005, Recent records of the crystal darter (Crystallaria asprella) in the middle Mississippi River: American Midland Naturalist, v. 153, no. 2, p. 199-201.