Carex stipata var. maxima
Ill. Carex, 122, plate 391. 1862.
Culms to 120 cm × 7 mm. Leaf blades glaucous, to 100 cm × 8–15 mm. Inflorescences to 15 × 4 cm. Perigynia to 5–6 × 2 mm; beak 3–3.5 mm.
Phenology: Fruiting Apr–Jun.
Habitat: Seasonally saturated or inundated soils in wet meadows, marshes, edges of tidal marshes, cypress swamps, or alluvial bottomlands
Elevation: 0–1500 m
Ala., Fla., Ga., Md., N.C., Ohio, S.C., Va., W.Va.
Carex stipata var. maxima replaces Carex stipata var. stipata in the southern parts of its range and is distinguished by its larger size, longer perigynia, and longer beaks.