Robert H. Mohlenbrock. USDA SCS. 1991. Southern wetland flora: Field office guide to plant species. South National Technical Center, Fort Worth. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements.
Robert H. Mohlenbrock. USDA SCS. 1991. Southern wetland flora: Field office guide to plant species. South National Technical Center, Fort Worth. Provided by USDA NRCS Wetland Science Institute (WSI). Usage Requirements.
USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service. Provided by NRCS National Wetland Team. Usage Requirements.
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. 1: 580. Provided by Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Requirements.
This plant is listed by the U.S. federal
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