United States, South Carolina, Edgefield, Co. rt 41; 0.4 mi E of SC 121 in Johnston
At pond, below dam.
Abundant. Plants to 2 m tall, dioecious.
flowering
Leaf material removed for project: "A look into the past: An analysis of the origins of EPSPS gene copy number variation & evolution of glyphosate resistance in Amaranthus palmeri S. Wats." C. Ngo (Queen's University) Feb 2023.