Awned Flatsedge, Bearded Flatsedge: Cyperus squarrosus (Synonyms: Chlorocyperus inflexus, Cyperus aristatus, Cyperus aristatus var. runyonii, Cyperus inflexus, Dichostylis aristata, Mariscus squarrosus) -
Three-way Sedge: Dulichium arundinaceum (Synonyms: Cyperus arundinaceus, Dulichium arundinaceum var. arundinaceum, Dulichium arundinaceum var. boreale) -
Small-flowered Halfchaff Sedge, Small-flowered Lipocarpha: Lipocarpha micrantha (Synonyms: Cyperus subsquarrosus, Hemicarpha micrantha, Hemicarpha micrantha var. minor, Hemicarpha subsquarrosa, Hemicarpha subsquarrosa var. minor, Isolepis subsquarrosa, Isolepis subsquarrosa var. minor, Scirpus micranthus, Scirpus subsquaroosus) -