Schoenoplectus purshianus var. purshianus
Perianth bristles present. 2n = 38.
Phenology: Fruiting summer–fall.
Habitat: Fresh-water shores, ponds, and ditches, usually drying, usually in sandy soils, often emergent, with relatively little water-level fluctuations
Elevation: 0–1000 m
Ont., Que., Ala., Conn., Del., D.C., Ga., Ill., Ind., Ky., Maine, Md., Mass., Mich., Minn., Mo., N.J., N.Y., N.C., Pa., R.I., Tenn., Va., W.Va., Wis.
"prolonged" is not a number."/30" is not declared as a valid unit of measurement for this property.