Species:
Carex amplifolia (bigleaf sedge)
Carex athrostachya (slender-beak or long-bracted sedge)
Carex cordillerana (cordilleran sedge)
Carex douglasii (Douglas's sedge )
Carex filifolia var. filifolia (threadleaf sedge)
Carex geyeri (Geyer's sedge)
Carex hoodii (Hood's sedge)
Carex microptera (smallwing sedge)
Carex nebrascensis (Nebraska sedge)
Carex pellita (woolly sedge)
Carex praegracilis (clustered field sedge)
Carex rossii (Ross's sedge)
Carex stipata var. stipata (awl-fruit sedge)
Carex vulpinoidea (fox sedge)
Cyperus bipartitus (shining flatsedge)
Cyperus esculentus var. leptostachya (yellow nut-grass)
Cyperus michelianus (Michel's flatsedge)
Cyperus squarrosus (awned flatsedge)
Cyperus strigosus (straw-colored flatsedge)
Eleocharis acicularis (needle spike-rush)
Eleocharis bella (delicate spikerush)
Eleocharis ovata (ovoid spike-rush)
Eleocharis palustris (common spike-rush )
Lipocarpha micrantha (smallflower micrantham dwarf bulrush)
Schoenoplectus acutus (hardstem bulrush or tule)
Schoenoplectus americanus (Olney's or American threesquare)
Schoenoplectus pungens (common threesquare)
Schoenoplectus tabernaemontani (softstem bulrush or tule)
Scirpus microcarpus (panicled or small-fruited bulrush)
Scirpus pallidus (pale bulrush)