Contains 50 accepted taxa overall.
Characteristics
Classification
Citation
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Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Cyperus acuminatus | Tapertip Flat Sedge; Pointed Flat Sedge | Native AGCP (OBL), EMP (OBL) (NWPL) TN[SNR] KY[S5?] (State Rank) G5 (Global Rank) | ||
| Cyperus aristulatus | Awned Halfchaff Sedge | |||
| Cyperus bipartitus | Slender Flat Sedge; Shining Flat Sedge | Native AGCP (FACW), EMP (FACW) (NWPL) TN[SNR] KY[S4?] (State Rank) G5 (Global Rank) | ||
| Cyperus brevifolioides | Asiatic Green Head Sedge | Not Native | ||
| Cyperus brevifolius | Green Head Sedge | |||
| Cyperus compressus | Poor Land Flat Sedge | Native AGCP (FACW), EMP (FAC) (NWPL) TN[SNR] KY[SNA] (State Rank) G5 (Global Rank) | ||
| Cyperus croceus | Baldwins Flat Sedge | Native AGCP (FAC), EMP (FACU) (NWPL) TN[SNR] KY[SNR] (State Rank) G5 (Global Rank) | ||
| Cyperus dentatus | Toothed Flat Sedge | Native AGCP (OBL), EMP (FACW) (NWPL) TN[S1] (State Rank) G4 (Global Rank) | ||
| Cyperus diandrus | Umbrella Flat Sedge | Native AGCP (FACW), EMP (FACW) (NWPL) KY[SU] (State Rank) G5 (Global Rank) | ||
| Cyperus difformis | Variable Flat Sedge | Not Native AGCP (OBL), EMP (OBL) (NWPL) TN[SNA] KY[SNA] (State Rank) GNR (Global Rank) | ||
| Cyperus echinatus | Globe Flatsedge; Round Headed Flat Sedge | Native AGCP (FAC), EMP (FACU) (NWPL) TN[SNR] KY[S5?] (State Rank) G5 (Global Rank) | ||
| Cyperus elegans | Royal Flatsedge; Sticky Flatsedge; Royal Flat Sedge; Sticky Flat Sedge | |||
| Cyperus erythrorhizos | Red Root Flat Sedge | Native AGCP (OBL), EMP (FACW) (NWPL) TN[SNR] KY[S5] (State Rank) G5 (Global Rank) | ||
| Cyperus esculentus | Yellow Nutsedge; Yellow Nutgrass; Wild Chufa; Earth Almond; Yellow Nut Sedge; Yellwo Nut Grass | |||
| Cyperus esculentus var. leptostachyus | Chufa Flat Sedge; Earth Almond | Not Native TN[SNR] KY[SNR] (State Rank) G5T5 (Global Rank) | ||
| Cyperus flavescens | Yellow Flat Sedge | Native AGCP (OBL), EMP (OBL) (NWPL) TN[SNR] KY[S5] (State Rank) G5 (Global Rank) | ||
| Cyperus flavicomus | White Edged Flat Sedge | Native AGCP (FACW), EMP (FAC) (NWPL) TN[SNR] KY[S3S4] (State Rank) G5 (Global Rank) | ||
| Cyperus granitophilus | Granite Flat Sedge | Native AGCP (FACW), EMP (FACW) (NWPL) TN[S1] (State Rank) G3G4Q (Global Rank) | ||
| Cyperus grayoides | Sand Prairie Flat Sedge | |||
| Cyperus haspan | Haspan Flat Sedge; Sheathed Flat Sedge | Native AGCP (OBL), EMP (OBL) (NWPL) TN[SH] (State Rank) G5 (Global Rank) | ||
| Cyperus hortensis | Annual Green Head Sedge | Native | ||
| Cyperus hystricinus | Bristly Flat Sedge | |||
| Cyperus iria | Rice Field Flat Sedge | Not Native AGCP (FACW), EMP (FACW) (NWPL) TN[SNA] KY[SNA] (State Rank) GNR (Global Rank) | ||
| Cyperus lancastriensis | Manyflower Flat Sedge; Porters Flat Sedge | Native AGCP (FAC), EMP (FAC) (NWPL) TN[SNR] KY[S3?] (State Rank) G5 (Global Rank) | ||
| Cyperus lupulinus | Great Plains Flat Sedge | |||
| Cyperus lupulinus var. lupulinus | Great Plains Flat Sedge | Native TN[SNR] KY[S4?] (State Rank) G5T5? (Global Rank) | ||
| Cyperus lupulinus var. macilentus | Great Plains Flat Sedge | Native KY[SH] (State Rank) G5T5? (Global Rank) | ||
| Cyperus microiria | Asian Flatsedge; Asian Flat Sedge | Not Native | ||
| Cyperus odoratus | Fragrant Flat Sedge; Rusty Flats Sedge | |||
| Cyperus odoratus var. engelmannii | Slender Flat Sedge | |||
| Cyperus odoratus var. odoratus | Fragrant Flat Sedge; Rusty Flats Sedge | Native | ||
| Cyperus plukenetii | Plukenets Flat Sedge | Native TN[S1] KY[SH] (State Rank) G5 (Global Rank) | ||
| Cyperus polystachyos | Many Spike Flat Sedge; Texas Flat Sedge | Native AGCP (FACW), EMP (FACW) (NWPL) TN[SNR] KY[S4?] (State Rank) G5 (Global Rank) | ||
| Cyperus pseudovegetus | Marsh Flat Sedge | Native AGCP (FACW), EMP (FACW) (NWPL) TN[SNR] KY[S5?] (State Rank) G5 (Global Rank) | ||
| Cyperus refractus | Reflexed Flat Sedge | Native AGCP (FAC), EMP (FACU) (NWPL) TN[SNR] KY[S5?] (State Rank) G5 (Global Rank) | ||
| Cyperus retroflexus | One Flower Flat Sedge | Native G5 (Global Rank) | ||
| Cyperus retroflexus var. pumilus | One Flower Flat Sedge | |||
| Cyperus retroflexus var. retroflexus | One Flower Flat Sedge | |||
| Cyperus retrofractus | Rough Flat Sedge | Native AGCP (FACU), EMP (UPL) (NWPL) TN[SNR] KY[S5?] (State Rank) G5 (Global Rank) | ||
| Cyperus retrorsus | Pine Barren Flat Sedge | Native AGCP (FACU), EMP (FAC) (NWPL) TN[SNR] KY[S1?] (State Rank) G5 (Global Rank) | ||
| Cyperus rotundus | Nutgrass; Coco Grass | Not Native AGCP (FAC), EMP (FAC) (NWPL) TN[SNA] KY[SNA] (State Rank) G5 (Global Rank) | ||
| Cyperus schweinitzii | Schweinitzs Flat Sedge; Sand Flat Sedge | Native AGCP (UPL), EMP (FACU) (NWPL) KY[SNR] (State Rank) G5 (Global Rank) | ||
| Cyperus sesquiflorus | Fragrant Spike Sedge; Green Head Sedge | |||
| Cyperus squarrosus | Bearded Flat Sedge | Native AGCP (OBL), EMP (FACW) (NWPL) TN[SNR] KY[S4?] (State Rank) G5 (Global Rank) | ||
| Cyperus squarrosus var. squarrosus | Bearded Flat Sedge | |||
| Cyperus strigosus | Staw Colored Flat Sedge | Native AGCP (FACW), EMP (FACW) (NWPL) TN[SNR] KY[S5] (State Rank) G5 (Global Rank) | ||
| Cyperus strigosus var. strigosus | Staw Colored Flat Sedge | |||
| Cyperus subsquarrosus | Small Flowered Half Chaff Sedge | Native | ||
| Cyperus surinamensis | Tropical Flat Sedge | |||
| Cyperus virens | Green Flat Sedge |