| Cyperaceae | Carex pedunculata | Longstalk Sedge | Nutrient-rich dry to mesic forests, usually over calcareous or mafic rocks. | NL (Newfoundland), SK, and ND, south to NJ, w. VA, sw. NC (Gaddy et al. 1984), nw. SC (Gaddy et al. 1984), nw. GA (Dade County) (Jones & Coile 1988), n. AL, c. IN, c. IL, and n. IA; disjunct in s. MO (Aaron 2024). | 
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| Cyperaceae | Carex richardsonii | Richardson’s Sedge | Open meadows over serpentine; westwards in moist prairies, hill prairies, sand dunes | VT west to AB, south to DC, MD, OH, IN, IA, and SD. | 
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