Contains 38 accepted taxa overall.
Characteristics
Classification
Citation
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Species
| Scientific Name | Common Name | Status | Photos |
|---|---|---|---|
| Cyperus acuminatus | tapper-tipped flat sedge | Not Native Naturalized OBL (NWPL EMP) OBL (NWPL NCNE) SNA (State Rank) | |
| Cyperus bipartitus | shining flat sedge | Native FACW (NWPL EMP) FACW (NWPL NCNE) S5 (State Rank) G5 (Global Rank) | |
| Cyperus brevifolioides | Asian green-headed sedge | Not Native Naturalized FACU (NWPL EMP) FACW (NWPL NCNE) SNA (State Rank) GNR (Global Rank) | |
| Cyperus compressus | poorland flat sedge | Not Native FAC (NWPL EMP) FACW (NWPL NCNE) SNA (State Rank) | |
| Cyperus dentatus | toothed flat sedge | Native FACW+, OBL (NWPL) FACW (NWPL EMP) OBL (NWPL NCNE) S4 (State Rank) G4 (Global Rank) | |
| Cyperus diandrus | umbrella flat sedge | Native FACW (NWPL EMP) OBL (NWPL NCNE) S3 (State Rank) | |
| Cyperus difformis | variable flat sedge | Not Native Naturalized OBL (NWPL EMP) OBL (NWPL NCNE) SNA (State Rank) | |
| Cyperus echinatus | globe flat sedge | Native Endangered-State FACU (NWPL EMP) FAC (NWPL NCNE) S1 (State Rank) G5 (Global Rank) | |
| Cyperus engelmannii | Engelmann’s flat sedge | Native FACW (NWPL EMP) OBL (NWPL NCNE) SNR (State Rank) | |
| Cyperus erythrorhizos | red-rooted flat sedge | Native Rare-State FACW (NWPL EMP) OBL (NWPL NCNE) S4 (State Rank) | |
| Cyperus esculentus | FACW (NWPL EMP) FACW (NWPL NCNE) | ||
| Cyperus esculentus var. leptostachyus | common yellow nut sedge | Native FACW (NWPL EMP) FACW (NWPL NCNE) SNR (State Rank) | |
| Cyperus esculentus var. macrostachyus | large yellow nut sedge | Native FACW (NWPL EMP) FACW (NWPL NCNE) S1 (State Rank) G5TNR (Global Rank) | |
| Cyperus filicinus | fern flat sedge | Native OBL (NWPL EMP) OBL (NWPL NCNE) SNR (State Rank) | |
| Cyperus flavescens | yellow flat sedge | Native Endangered-State OBL (NWPL) OBL (NWPL EMP) OBL (NWPL NCNE) S1 (State Rank) G5 (Global Rank) | |
| Cyperus flavicomus | white-edged flat sedge | Not Native FAC (NWPL EMP) FAC (NWPL NCNE) SNA (State Rank) G5 (Global Rank) | |
| Cyperus fuscus | brown galingale | Not Native Naturalized FAC (NWPL EMP) FAC (NWPL NCNE) SNA (State Rank) | |
| Cyperus grayi | Gray’s flat sedge | Native SNR (State Rank) G5 (Global Rank) | |
| Cyperus grayi × C. lupulinus | hybrid flat sedge | Native SNA (State Rank) GNA (Global Rank) | |
| Cyperus hortensis | annual green-headed sedge | Not Native Naturalized FACW (NWPL EMP) FACW (NWPL NCNE) SNA (State Rank) | |
| Cyperus houghtonii | Houghton’s flat sedge | Native Rare-State S3 (State Rank) G4? (Global Rank) | |
| Cyperus involucratus | umbrella plant | Not Native FACW (NWPL EMP) OBL (NWPL NCNE) SNA (State Rank) GNR (Global Rank) | |
| Cyperus iria | ricefield flat sedge | Not Native Naturalized FACW (NWPL EMP) FACW (NWPL NCNE) SNA (State Rank) GNR (Global Rank) | |
| Cyperus lupulinus | UPL (NWPL EMP) FACU (NWPL NCNE) | ||
| Cyperus lupulinus × C. schweinitzii = C. ×mesochorus | midland flat sedge | Native SNA (State Rank) GNA (Global Rank) | |
| Cyperus lupulinus ssp. lupulinus | Great Plains flat sedge | Native Threatened-State UPL (NWPL EMP) FACU (NWPL NCNE) S3 (State Rank) G5T5? (Global Rank) | |
| Cyperus lupulinus ssp. macilentus | eastern flat sedge | Native UPL (NWPL EMP) FACU (NWPL NCNE) S5 (State Rank) G5T5? (Global Rank) | |
| Cyperus microiria | Asian flat sedge | Not Native Naturalized SNA (State Rank) GNR (Global Rank) | |
| Cyperus nipponicus | Japanese flat sedge | Not Native Naturalized SNA (State Rank) | |
| Cyperus odoratus | fragrant flat sedge | Native Rare-State FACW (NWPL EMP) OBL (NWPL NCNE) S4 (State Rank) | |
| Cyperus polystachyos | many-spiked flat sedge | Native Endangered-State FACW (NWPL EMP) FACW (NWPL NCNE) SH (State Rank) G5 (Global Rank) | |
| Cyperus pseudovegetus | marsh flat sedge | Not Native Naturalized FACW (NWPL EMP) FACW (NWPL NCNE) SNA (State Rank) | |
| Cyperus retrorsus | reflexed flat sedge | Native Endangered-State FACU+, FAC (NWPL) FAC (NWPL EMP) FACU (NWPL NCNE) S1 (State Rank) G5 (Global Rank) | |
| Cyperus rotundus | purple nut sedge | Not Native FACU, FAC (NWPL) FAC (NWPL EMP) FACU (NWPL NCNE) SNA (State Rank) GNR (Global Rank) | |
| Cyperus schweinitzii | Schweinitz’s flat sedge | Native Rare-State UPL, FAC (NWPL) FACU (NWPL EMP) FACU (NWPL NCNE) S3 (State Rank) G5 (Global Rank) | |
| Cyperus squarrosus | awned flat sedge | Native FACW (NWPL EMP) OBL (NWPL NCNE) S5 (State Rank) G5 (Global Rank) | |
| Cyperus strigosus | false yellow nut sedge | Native FACW (NWPL) FACW (NWPL EMP) FACW (NWPL NCNE) S5 (State Rank) G5 (Global Rank) | |
| Cyperus subsquarrosus | small-flowered dwarf bulrush | Native Endangered-State FACW (NWPL EMP) OBL (NWPL NCNE) S1 (State Rank) G4 (Global Rank) |