Cyperus acuminatus
| Tapertip Flatsedge |
Cyperus bipartitus
| Slender Flatsedge |
Cyperus brevifolioides
| Asiatic Green Head Sedge; Shining Flatsedge |
Cyperus compressus
| Poorland Flatsedge |
Cyperus croceus
| Baldwins Flatsedge |
Cyperus dentatus
| Toothed Flatsedge |
Cyperus diandrus
| Umbrella Flatsedge |
Cyperus difformis
| Small Flower Umbrella Sedge; Variable Flatsedge |
Cyperus echinatus
| Globe Flatsedge |
Cyperus erythrorhizos
| Redroot Flatsedge |
Cyperus esculentus
| |
Cyperus esculentus var. leptostachyus
| Yellow Nutsedge; Yellow Nutgrass |
Cyperus flavescens
| Yellow Flatsedge |
Cyperus flavicomus
| Whiteedge Flatsedge |
Cyperus granitophilus
| Granite Flatsedge |
Cyperus haspan
| Haspan Flatsedge |
Cyperus hortensis
| Annual Greedheaded Sedge; Low Spike Sedge |
Cyperus iria
| Ricefield Flatsedge |
Cyperus lancastriensis
| Manyflower Flatsedge |
Cyperus lupulinus
| |
Cyperus lupulinus ssp. lupulinus
| Great Plains Flatsedge |
Cyperus lupulinus ssp. macilentus
| Great Plains Flatsedge |
Cyperus microiria
| Asian Flatsedge |
Cyperus odoratus
| |
Cyperus odoratus var. odoratus
| Fragrant Flatsedge; Rusty Flatsedge |
Cyperus plukenetii
| Plukenets Flatsedge |
Cyperus polystachyos
| Manyspike Flatsedge |
Cyperus pseudovegetus
| Marsh Flatsedge |
Cyperus refractus
| Reflexed Flatsedge |
Cyperus retroflexus
| Oneflower Flatsedge |
Cyperus retrofractus
| Rough Flatsedge |
Cyperus retrorsus
| Pine Barren Flatsedge |
Cyperus rotundus
| Nutgrass; Coco Grass; Purple Nutsedge |
Cyperus schweinitzii
| Schweinitzs Flatsedge |
Cyperus squarrosus
| Bearded Flatsedge |
Cyperus strigosus
| Strawcolored Flatsedge |
Cyperus subsquarrosus
| False Nutsedge |