-
Robert H. Mohlenbrock. USDA NRCS. Provided by USDA NRCS Wetland Science Institute (WSI).
-
Steve Hurst. Provided by ARS Systematic Botany and Mycology Laboratory. Denmark, Copenhagen.
-
Patrick J. Alexander.
-
Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT). United States, North Carolina, Guilford Co., Greensboro.
-
Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT). United States, North Carolina, Guilford Co., Greensboro.
-
Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT). United States, North Carolina, Guilford Co., Greensboro.
-
Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT). United States, North Carolina, Guilford Co., Greensboro.
-
Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT). United States, North Carolina, Guilford Co., Greensboro.
-
Doug Goldman. Provided by USDA NRCS National Plants Data Team (NPDT). United States, North Carolina, Guilford Co., Greensboro.
-
Britton, N.L., and A. Brown. Provided by Kentucky Native Plant Society.
-
Hitchcock, A.S. (rev. A. Chase).
-
USDA NRCS. Provided by NRCS National Wetland Team.
-
Jose Hernandez. Provided by ARS Systematic Botany and Mycology Laboratory. Germany, Dahlem.
-
Jose Hernandez. Provided by ARS Systematic Botany and Mycology Laboratory. Germany, Dahlem.