Narrow-fruited Sedge

Carex specifica

Showy Sedge

Carex spectabilis

San Diego Sedge

Carex spissa

Awlfruit Sedge

Carex stipata

Awl-fruited Sedge

Carex stipata var. stipata

Mount Shasta Sedge

Carex straminiformis

Small Bract Sedge

Carex subbracteata

Rusty Slender Sedge

Carex subfusca

Dark Mountain Sedge

Carex subnigricans

Tahoe Sedge

Carex tahoensis

Tioga Pass Sedge

Carex tiogana

Tompkins's Sedge

Carex tompkinsii

Trigonous Sedge

Carex triquetra

Foothill Sedge

Carex tumulicola

Lateral Sedge

Carex unilateralis

Northwest Territory Sedge

Carex utriculata

Western Valley Sedge

Carex vallicola

Foetid Sedge

Carex vernacula

Blister Sedge

Carex vesicaria

Little Green Sedge

Carex viridula

Green Yellow Sedge

Carex viridula ssp. viridula

Whitney's Sedge

Carex whitneyi

Tapertip Flatsedge

Cyperus acuminatus

Slender Flatsedge

Cyperus bipartitus

Tall Flatsedge

Cyperus eragrostis

Red Rooted Cyperus

Cyperus erythrorhizos

Cyperus esculentus var. heermannii

Smooth Flatsedge

Cyperus laevigatus

Black Flatsedge

Cyperus niger

Fragrant Flatsedge

Cyperus odoratus

Parish's Flatsedge

Cyperus parishii

Bearded Flatsedge

Cyperus squarrosus

False Nutsedge

Cyperus strigosus