Dichanthelium sphaerocarpon, also called Panicum polyanthes, common name round-seed panic grass, is a plant found in North America. It is listed as endangered in Michigan. Dichanthelium sphaerocarpon var. isophyllum is listed as a special concern and believed extirpated in Connecticut."Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved 17 January 2018. (Note: This list is newer than the one used by plants.usda.gov and is more up-to-date.)
Description D. sphaerocarpon may reach a height of 1.5 to 5 decimeters (approximately 0.49 to 1.64 feet). The blades can reach a length of up to 9.5 centimeters (approximately 3.74 inches) and a width between 2 and 20 millimeters.Radford, Albert E., Harry E. Ahles, and C. Ritchie Bell. Manual of the Vascular Flora of the Carolinas. 1964, 1968. The University of North Carolina Press. 142-158. Print.
Distribution and habitat This species can be found in the eastern United States, with its range stretching from Massachusetts south to Florida and westward to Texas.
D. sphaerocarpon grows in thin woods, meadows, and ditches. It is commonly found in dry, sandy soil.Weakley, A.S. 2020. Flora of the Southeastern United States. Edition of 20 October 2020. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
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