Cyperus difformis

Species:Cyperus difformis L.
Status:Not Native, OBL (DEP), OBL (NWPL)
Specimen: View details of USF Herbarium specimens

** Not applicable or data not available.


Sub Class
Genus Cyperus
Species Cyperus difformis L. - VARIABLE FLATSEDGE


Citation CYPERUS DIFFORMIS Linnaeus, Cent. Pl. 2: 6. 1756.
Basionym: **
Type: INDIA: Without data (lectotype: LINN 70.10). Lectotypified by G. C. Tucker, Syst. Bot. Monogr. 43: 50. 1994.

** Not applicable or data not available.


CountyHerbariaLiterature Citation (If Applicable)
Broward USF  
Duval USF  
Escambia FLAS  
Hardee USF  
Hillsborough USF  
Indian River USF  
Leon FSU  
Martin USF  
Miami-Dade USF  
Orange USF  
Osceola USF  
Polk USF  


SynonymFull CitationBasionymType
Cyperus difformis forma humilis Cyperus difformis Linnaeus, forma humilis Debeaux, Actes Soc. Linn. Bordeaux 31: 144. 1876.  
Cyperus difformis var. breviglobosus Cyperus difformis Linnaeus, var. breviglobosus Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 240. 1936.  
Cyperus difformis var. congestus Cyperus difformis Linnaeus, var. congestus E. G. Camus, Notul. Syst. (Paris) 1: 291. 1910.  
Cyperus difformis var. pumilus Cyperus difformis Linnaeus, var. pumilus Kuntze, Revis. Gen. Pl. 2: 749. 1891.  
Cyperus difformis var. subdecompositus Cyperus difformis Linnaeus, var. subdecompositus Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 240. 1936.  
Cyperus goeringii Cyperus goeringii Steudel, Syn. Pl. Glumac. 2: 24. 1854. TYPE: INDONESIA: Java:
Cyperus holoschoenoides Cyperus holoschoenoides Jan ex Schultes, Mant. 2: 111. 1824.  
Cyperus lateriflorus Cyperus lateriflorus Torrey, in Emory, Rep. U.S. Mex. Bound. 2(1): 226. 1858 ("1859"). TYPE: MEXICO: Sonora: E of Santa Cruz, s.d., Wright 1950 (holotype: NY; isotypes: GH, YU).
Cyperus oryzetorum Cyperus oryzetorum Steudel, Syn. Pl. Glumac. 2: 24. 1854. TYPE: U.S.S.R.: Azerbaijan: Lenkoran,
Cyperus protractus Cyperus protractus Link, Hort. Berol. 1: 305. 1827, non Delile 1813-1814.  
Cyperus subrotundus Cyperus subrotundus Llanos, Fragm. Pl. Filip. 14. 1851.  


Country State County Date Specimen Notes Image
USA Florida Duval Co. Mar 2012 J. MacGregor 14
USA Florida Indian River Co. 22 Oct 2014 E. A. Revuelta s.n.
USA Florida Miami-Dade Co. 12 Dec 2014 E. A. Revuelta s.n.
USA Florida Miami-Dade Co. 23 Dec 2008 K. A. Bradley 2667
USA Florida Broward Co. 15 Oct 2015 E. A. Revuelta 10
USA Florida Hillsborough Co. 07 Aug 2009 S. Dickman 132
USA Virginia Princess Anne Co. 08 Aug 1934 M. L. Fernald 3710
USA Maryland Queen Anne's Co. 24 Aug 2013 W. D. Longbottom 20218
USA Delaware Sussex Co. 10 Sep 2008 W. D. Longbottom 12169
USA Maryland Wicomico Co. 20 Sep 2008 W. D. Longbottom 12225
USA Delaware Sussex Co. 31 Jul 2013 W. D. Longbottom 20084
USA Maryland Queen Anne's Co. 30 Aug 2008 W. D. Longbottom 12091
Peru La Libertad Trujillo Prov. 07 Aug 1973 A. Sagastegui A. 7733
USA Florida Hillsborough Co. 02 Nov 2017 J. R. Campbell 946
USA Florida Hillsborough Co. 20 Oct 1994 K. Holland s.n.
USA Florida Polk Co. 20 Jun 1995 B. F. Hansen 12869
USA Florida Orange Co. 25 Aug 1992 S. L. Orzell 20449
USA Florida Miami-Dade Co. 10 Mar 1993 S. L. Orzell 21271
USA Florida Orange Co. 15 Apr 1992 S. L. Orzell 19361
USA Florida Miami-Dade Co. 10 Sep 1994 S. L. Orzell 23193
USA Florida Osceola Co. 18 Nov 2010 W. D. Longbottom 14549
USA Florida Hillsborough Co. 23 Aug 1991 A. Tulimeiri s.n.
USA Florida Martin Co. 17 Dec 1997 K. A. Bradley 832
USA Florida Martin Co. 27 Jul 1998 K. A. Bradley 1172
USA Florida Hardee Co. 19 Oct 1989 P. Lewis s.n.
Taiwan Taipei Municip. 18 Dec 1964 C. C. Cuang 3112
India Madhya Pradesh Chhatarpur Distr. 18 Jan 1959 Collector unspecified on label 55493
Taiwan Taiwan Prov. Tainan Co. 21 Aug 1972 C.S. Kuoh 3962
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