Steve Hurst. Provided by
ARS Systematic Botany and Mycology Laboratory
Britton, N.L., and A. Brown. 1913.
An illustrated flora of the northern United States, Canada and the British Possessions. 3 vols.
Charles Scribner's Sons, New York. Vol. 3: 92. Provided by
Kentucky Native Plant Society
. Scanned by
Description of Values