Bladder Sedge (Carex intumescens)

 cespitose, wide leaves, single staminate spike with staminate scales awned.

Loose-flowered Sedge (Carex laxiflora)

 Relatively wide leaves, strong W pleating, even width throughout, tips die back in winter. 

Broad-leaved Sedge (Carex platyphylla)

 Leaves large, evergreen, blue-green, wider toward the base. 

Threesquare (Schoenoplectus americanus)

Woolgrass (Scirpus cyperinus)

Straw-Colored Flatsedge (Cyperus strigosus)

Shortleaf Spikesedge (Cyperus brevifolius)

Rice Flatsedge (Cyperus iria)

Long Sedges (Carex sp. section Rostrales)

Long Sedge (Carex folliculata)

Drooping sedges (Carex sp. Hymenochlaenae)

Davis's Sedge (Carex davisii)

Woodland Sedge and Allies (Carex sp. sect. Laxiflorae)

Eastern Woodland Sedge (C. blanda)

Rosy Sedge and Allies (Carex sp. sect. Phaestoglochin)

Rosy Sedge (Carex rosea)

Porcupine Sedges (Carex sp. section Vesicariae)

Sallow Sedge, Carex lurida

Also see the bladder sedges

Awl-Fruited Sedge and allies (Carex sp. section Vulpinae)

Awl-Fruited Sedge, Carex stipata)

Wooly Sedges (Carex sp. sect. Paludosae)

Wooly Sedge (Carex pellita)

Big-Headed Sedges (Carex sp. sect. Macrocephalae)

Japanese Sedge (Carex kobomugi)

Oval Sedges (Carex sp. sect. Ovales)

Crested Sedge (C. cristatella)

Blunt Broom Sedge (C. tribuloides)

Meadow Sedges (Carex sp. section Granulares)

Meadow Sedge (C. granularis)

Bladder Sedges (Carex sp. section Lupulinae)

Gray's Sedge (C. grayi)

Bladder Sedge (C. intumescens)

Hop Sedge (C. intumescens)

also see the porcupine sedges

Fox Sedge and Allies (Carex sp. sect. Multiflorae)