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Cyperus  L.
Taxonomic Serial No.: 39882

(Download Help) Cyperus TSN 39882

 Taxonomy and Nomenclature
       
  Kingdom: Plantae  
  Taxonomic Rank: Genus  
  Synonym(s):    
  Common Name(s): nutgrass
 
    flatsedge [English]
 
       
  Taxonomic Status:    
  Current Standing: accepted  
       
  Data Quality Indicators:    
  Record Credibility Rating: verified - standards met  
  Global Species Completeness: unknown   
  Latest Record Review: 2010   
       

 Taxonomic Hierarchy
       
 KingdomPlantae  – plantes, Planta, Vegetal, plants  
    SubkingdomViridiplantae   
       InfrakingdomStreptophyta  – land plants  
          SuperdivisionEmbryophyta   
             DivisionTracheophyta  – vascular plants, tracheophytes  
                SubdivisionSpermatophytina  – spermatophytes, seed plants, phanérogames  
                   ClassMagnoliopsida   
                      SuperorderLilianae  – monocots, monocotyledons, monocotylédones  
                         OrderPoales   
                            FamilyCyperaceae  – sedges, foins coupants, laîches, rouches, rouchettes  
                               GenusCyperus L. – nutgrass, flatsedge  
    Direct Children:  
                                  Species Cyperus acuminatus Torr. & Hook. ex Torr. – taperleaf flatsedge, taper-tip flat sedge, tapertip flatsedge 
                                  Species Cyperus aggregatus (Willd.) Endl. – inflatedscale flatsedge, inflated-scale flatsedge 
                                  Species Cyperus alopecuroides Rottb. – foxtail flatsedge 
                                  Species Cyperus amabilis Vahl – foothill flatsedge 
                                  Species Cyperus amuricus Maxim. – Asian flatsedge 
                                  Species Cyperus articulatus L. – jointed flatsedge 
                                  Species Cyperus bipartitus Torr. – slender flatsedge, brook flatsedge, shining flat sedge 
                                  Species Cyperus cephalanthus Torr. & Hook. – buttonbush flatsedge 
                                  Species Cyperus compactus Retz.  
                                  Species Cyperus compressus L. – poorland flatsedge 
                                  Species Cyperus confertus Sw. – West Indian flatsedge 
                                  Species Cyperus congestus Vahl – clustered flatsedge 
                                  Species Cyperus croceus Vahl – Baldwin's flatsedge 
                                  Species Cyperus cuspidatus Kunth – coastal plain flatsedge 
                                  Species Cyperus cyperinus (Retz.) Suringar – Old World flatsedge 
                                  Species Cyperus cyperoides (L.) Kuntze – Pacific island flatsedge 
                                  Species Cyperus X deamii O'Neill (pro sp.) – Deam's flatsedge 
                                  Species Cyperus dentatus Torr. – toothed flatsedge 
                                  Species Cyperus dentoniae G.C. Tucker – hairy flatsedge 
                                  Species Cyperus diandrus Torr. – umbrella flat sedge, umbrella flatsedge 
                                  Species Cyperus difformis L. – smallflower umbrella sedge, variable flatsedge 
                                  Species Cyperus diffusus Vahl – diffused flatsedge 
                                  Species Cyperus digitatus Roxb. – finger flatsedge 
                                  Species Cyperus dioicus I.M. Johnst. – flatsedge 
                                  Species Cyperus dipsaceus Liebm. – Wright's flatsedge, Wright flatsedge 
                                  Species Cyperus distans L. f. – Piedmont flatsedge 
                                  Species Cyperus distinctus Steud. – swamp flatsedge 
                                  Species Cyperus drummondii Torr. & Hook. – Drummond's sedge 
                                  Species Cyperus echinatus (L.) Alph. Wood – globe flatsedge 
                                  Species Cyperus elegans L. – sticky flatsedge, royal flatsedge 
                                  Species Cyperus entrerianus Boeckeler – woodrush flatsedge 
                                  Species Cyperus eragrostis Lam. – tall flatsedge 
                                  Species Cyperus erythrorhizos Muhl. – red-root flat sedge, redroot nutgrass, redroot flatsedge 
                                  Species Cyperus esculentus L. – chufa flatsedge, chufa, yellow nutgrass, yellow nutsedge 
                                  Species Cyperus fauriei Kük. – alpine flatsedge 
                                  Species Cyperus fendlerianus Boeckeler – Fendler's flatsedge, Fendler flatsedge, Fendler's nutgrass 
                                  Species Cyperus filicinus Vahl – fern flatsedge 
                                  Species Cyperus filiculmis Vahl  
                                  Species Cyperus filiformis Sw. – wiry flatsedge 
                                  Species Cyperus flavescens L. – pale flatsedge, yellow flatsedge 
                                  Species Cyperus flavicomus Michx. – whiteedge flatsedge, white-edge flatsedge 
                                  Species Cyperus flexuosus Vahl – Vahl's flatsedge 
                                  Species Cyperus floribundus (Kük.) R. Carter & S.D. Jones – Rio Grande sedge 
                                  Species Cyperus fugax Liebm. – withering flatsedge 
                                  Species Cyperus fuligineus Chapm. – limestone flatsedge 
                                  Species Cyperus fuscus L. – brown flatsedge 
                                  Species Cyperus giganteus Vahl – giant flatsedge 
                                  Species Cyperus gracilis R. Br. – slimjim flatsedge 
                                  Species Cyperus granitophilus McVaugh – granite flatsedge 
                                  Species Cyperus grayi Torr. – Gray's flatsedge 
                                  Species Cyperus grayoides Mohlenbr. – Illinois flatsedge, umbrella sedge 
                                  Species Cyperus haspan L. – haspan flatsedge 
                                  Species Cyperus hermaphroditus (Jacq.) Standl. – hermaphrodite flatsedge 
                                  Species Cyperus hillebrandii Boeckeler – Hillebrand's flatsedge 
                                  Species Cyperus houghtonii Torr. – Houghton's flatsedge 
                                  Species Cyperus hyalinus Vahl – Queensland sedge 
                                  Species Cyperus hypochlorus Hillebr. – Oahu flatsedge 
                                  Species Cyperus hypopitys G.C. Tucker – pine flatsedge 
                                  Species Cyperus hystricinus Fernald – bristly flatsedge 
                                  Species Cyperus imbricatus Retz. – shingle flatsedge 
                                  Species Cyperus involucratus Rottb. – umbrella plant, umbrella flatsedge 
                                  Species Cyperus iria L. – ricefield flatsedge 
                                  Species Cyperus javanicus Houtt. – Javanese flatsedge 
                                  Species Cyperus laevigatus L. – smooth nutgrass, smooth flatsedge 
                                  Species Cyperus lancastriensis Porter – manyflower flatsedge 
                                  Species Cyperus lanceolatus Poir. – epiphytic flatsedge 
                                  Species Cyperus lecontei Torr. ex Steud. – Le Conte's flatsedge 
                                  Species Cyperus lentiginosus Millsp. & Chase – Latin American flatsedge 
                                  Species Cyperus ligularis L. – Alabama swamp flatsedge 
                                  Species Cyperus lupulinus (Spreng.) Marcks – Great Plains flatsedge 
                                  Species Cyperus manimae Kunth – smoothstem flatsedge, spectacular flatsedge 
                                  Species Cyperus X mesochorus Geise  
                                  Species Cyperus meyenianus Kunth – Meyen's flatsedge 
                                  Species Cyperus microiria Steud. – Asian flatsedge 
                                  Species Cyperus mutisii (Kunth) Griseb. – mutis flatsedge, Mutis' flatsedge 
                                  Species Cyperus nanus Willd. – Indian flatsedge 
                                  Species Cyperus neokunthianus Kük. – Maui flatsedge 
                                  Species Cyperus niger Ruiz & Pav. – black flatsedge 
                                  Species Cyperus ochraceus Vahl – pond flatsedge 
                                  Species Cyperus odoratus L. – rusty flat sedge, fragrant flatsedge 
                                  Species Cyperus onerosus M.C. Johnst. – plains flatsedge, flat dune sedge 
                                  Species Cyperus ovatus Baldwin – ovateleaf flatsedge 
                                  Species Cyperus owanii Boeckeler – Owan's flatsedge, Owan's rush 
                                  Species Cyperus oxylepis Nees ex Steud. – sharpscale flatsedge 
                                  Species Cyperus pallidicolor (Kük.) G.C. Tucker – pallid flatsedge 
                                  Species Cyperus papyrus L. – papyrus 
                                  Species Cyperus parishii Britton – Parish flatsedge, Parish's nutgrass, Parish's flatsedge 
                                  Species Cyperus pennatiformis Kük. – coastal flatsedge 
                                  Species Cyperus phaeolepis Cherm. – Madagascar flatsedge 
                                  Species Cyperus phleoides (Nees ex Kunth) Hillebr. – Molokai flatsedge 
                                  Species Cyperus pilosus Vahl – fuzzy flatsedge 
                                  Species Cyperus planifolius Rich. – flatleaf flatsedge 
                                  Species Cyperus plukenetii Fernald – Plukenet's flatsedge 
                                  Species Cyperus polystachyos Rottb. – manyspike flatsedge 
                                  Species Cyperus prolifer Lam. – miniature flatsedge, dwarf papyrus 
                                  Species Cyperus prolixus Kunth – mosquito flatsedge 
                                  Species Cyperus pseudothyrsiflorus (Kük.) R. Carter & S.D. Jones  
                                  Species Cyperus pseudovegetus Steud. – marsh flatsedge 
                                  Species Cyperus pumilus L. – low flatsedge 
                                  Species Cyperus reflexus Vahl – bentawn flatsedge 
                                  Species Cyperus refractus Engelm. ex Boeckeler – reflexed flatsedge 
                                  Species Cyperus regiomontanus Britton – Monterey flatsedge 
                                  Species Cyperus retroflexus Buckley – oneflower flatsedge, one-flower flatsedge 
                                  Species Cyperus retrofractus (L.) Torr. – rough flatsedge 
                                  Species Cyperus retrorsus Chapm. – pine barren flatsedge 
                                  Species Cyperus rockii Kük. – Kauai flatsedge 
                                  Species Cyperus rotundus L. – chaguan humatag, cocograss, kili'o'opu, pakopako, purple nutsedge, nutgrass 
                                  Species Cyperus sandwicensis Kük. – cliffs flatsedge 
                                  Species Cyperus sanguinolentus Vahl – purpleglume flatsedge 
                                  Species Cyperus schweinitzii Torr. – sand flat sedge, schweinitz flatsedge, Schweinitz's flatsedge 
                                  Species Cyperus serotinus Rottb. – tidalmarsh flatsedge 
                                  Species Cyperus seslerioides Kunth – Texas flatsedge 
                                  Species Cyperus setigerus Torr. & Hook. – lean flatsedge 
                                  Species Cyperus spectabilis Link – spectacular flatsedge 
                                  Species Cyperus sphacelatus Rottb. – roadside flatsedge 
                                  Species Cyperus sphaerolepis Boeckeler – Rusby's flatsedge, Rusby's flat sedge 
                                  Species Cyperus squarrosus L. – bearded flatsedge, awned flat sedge, bearded nutgrass 
                                  Species Cyperus strigosus L. – stawcolored flatsedge, strawcolored nutgrass, strawcolor flatsedge, strawcolor nutgrass, strawcolored flatsedge 
                                  Species Cyperus surinamensis Rottb. – tropical flatsedge 
                                  Species Cyperus swartzii (A. Dietr.) Boeckeler ex Kük. – Swartz's flatsedge 
                                  Species Cyperus tenerrimus Liebm. – flatsedge 
                                  Species Cyperus tenuis Sw. – crevice flatsedge 
                                  Species Cyperus tetragonus Elliott – fourangle flatsedge 
                                  Species Cyperus thyrsiflorus Jungh. – southern flatsedge, southern flat sedge 
                                  Species Cyperus trachysanthos Hook. & Arn. – Pu`uka`a, sticky flatsedge 
                                  Species Cyperus trinervis R. Br. – Australian flatsedge 
                                  Species Cyperus unifolius Boeckeler  
                                  Species Cyperus unioloides R. Br. – uniola flatsedge 
                                  Species Cyperus urbanii Boeckeler – Urban's flatsedge 
                                  Species Cyperus virens Michx. – green flatsedge 
                                  Species Cyperus X weatherbianus Fernald  
       

 References
       
  Expert(s):    
  Expert:    
  Notes:    
  Reference for:    
       
  Other Source(s):    
  Source: Cyperaceae of North America Update, database (version 2010)  
  Acquired: 2010   
  Notes: Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010)   
  Reference for: Cyperus   
       
  Source: NODC Taxonomic Code, database (version 8.0)  
  Acquired: 1996   
  Notes:    
  Reference for: Cyperus   
       
  Source: The PLANTS Database, database (version 4.0.4)  
  Acquired: 1996   
  Notes: National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov   
  Reference for: Cyperus   
       
  Source: The PLANTS Database, database (version 5.1.1)  
  Acquired: 2000   
  Notes: National Plant Data Center, NRCS, USDA. Baton Rouge, LA 70874-4490 USA. http://plants.usda.gov   
  Reference for: Cyperus   
       
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