Cyperus rotundus

Family:CYPERACEAE
Species:Cyperus rotundus L.
Common Name:NUTGRASS
Status:Not Native, FAC (DEP), FAC (NWPL)
Specimen: View details of USF Herbarium specimens

** Not applicable or data not available.

Classification

Division
Class
Sub Class
Order POALES
FamilyCYPERACEAE
Genus Cyperus
Species Cyperus rotundus L. - NUTGRASS

Citation

Citation CYPERUS ROTUNDUS Linnaeus, Sp. Pl. 45. 1753.
Basionym: **
Type: INDIA: Without data, Herb. Hermann 1: 3, no. 36 (lectotype: BM(2 shts)). Lectotypified by G. C. Tucker, Syst. Bot. Monogr. 43: 100. 1994.

** Not applicable or data not available.

Source

CountyHerbariaLiterature Citation (If Applicable)
Alachua USF  
Bay FSU  
Broward USF  
Calhoun USF  
Clay USF  
Collier FSU  
DeSoto FLAS  
Duval FLAS  
Escambia USF  
Franklin FSU  
Gadsden FSU  
Highlands USF  
Hillsborough USF  
Holmes FSU  
Jackson USF  
Jefferson FSU  
Lake FLAS  
Lee USF  
Leon USF  
Levy FLAS  
Liberty FSU  
Madison USF  
Manatee USF  
Marion USF  
Martin USF  
Miami-Dade USF  
Monroe Keys USF  
Okaloosa USF  
Orange FLAS  
Osceola USF  
Palm Beach USF  
Pasco USF  
Pinellas USF  
Polk USF  
Putnam FLAS  
Santa Rosa UWFP  
Sarasota USF  
Seminole USF  
St. Johns FLAS  
Sumter USF  
Taylor FSU  
Volusia USF  
Wakulla FSU  
Walton FLAS  

Synonyms

– Denotes synonyms that are applicable to the state. Show these synonyms only

SynonymFull CitationBasionymType
Chlorocyperus rotundus Chlorocyperus rotundus (Linnaeus) Palla, Allg. Bot. Z. Syst. 6: 61. 1900.BASIONYM: Cyperus rotundus Linnaeus 1753. 
Cyperus hexastachyos Cyperus hexastachyos Rottbøll, Descr. Icon. Rar. Pl. 28. 1773, nom. illegit.BASIONYM: Cyperus rotundus Linnaeus 1753. 
Cyperus hydra Cyperus hydra Michaux, Fl. Bor.-Amer. 1: 27. 1803. TYPE: "Virginiae, Carolinae & Floridae",
Cyperus rotundus var. genuinus Cyperus rotundus Linnaeus, var. genuinus Trabut, in Battandier & Trabut, Fl. Alger 124. 1884, nom. inadmiss.BASIONYM: Cyperus rotundus Linnaeus 1753. 
Cyperus rotundus var. hydra Cyperus rotundus Linnaeus, var. hydra (Michaux) A. Gray, Manual, ed. 2. 493. 1856.BASIONYM: Cyperus hydra Michaux 1803. 
Pycreus rotundus Pycreus rotundus (Linnaeus) Hayek, Repert. Spec. Nov. Regni Veg. Beih. 30(3): 147. 1932.BASIONYM: Cyperus rotundus Linnaeus 1753. 
Cyperus agrestis Cyperus agrestis Willdenow ex Link, Jahrb. Gewächsk. 1(3): 86. 1820.  
Cyperus bicolor Cyperus bicolor Vahl, Enum. Pl. 2: 340. 1805.  
Cyperus bifax Cyperus bifax C. B. Clarke, Bull. Misc. Inform. Kew, Addit. Ser. 8: 13. 1908. TYPE: AUSTRALIA: Queensland:
Cyperus comosus Cyperus comosus Sibthorp & Smith, Fl. Graec. Prodr. 1: 30. 1806. TYPE: GREECE:
Cyperus curvatus Cyperus curvatus Llanos, Fragm. Pl. Filip. 15. 1851, non Vahl 1805.  
Cyperus disruptus Cyperus disruptus C. B. Clarke, Bull. Misc. Inform. Kew, Addit. Ser. 8: 12. 1908. TYPE: AUSTRALIA: Queensland:
Cyperus inconspicuus Cyperus inconspicuus Gennari, Linnaea 24: 200. 1851, non Liebmann 1850.  
Cyperus laevissimus Cyperus laevissimus Steudel, Syn. Pl. Glumac. 2: 32. 1854.  
Cyperus leptostachyus Cyperus leptostachyus Griffith, Itin. Pl. Khasyah Mts. 321. 1848. TYPE: AFGHANISTAN:
Cyperus merkeri Cyperus merkeri C. B. Clarke, Bot. Jahrb. Syst. 38: 134. 1906. TYPE: TANZANIA:
Cyperus micreilema Cyperus micreilema Steudel, Syn. Pl. Glumac. 2: 32. 1854. TYPE: SURINAM:
Cyperus nubicus Cyperus nubicus C. B. Clarke, in Oliver, Fl. Trop. Afr. 8: 360. 1901.  
Cyperus ochreoides Cyperus ochreoides Steudel, Syn. Pl. Glumac. 2: 34. 1854.  
Cyperus oliganthus Cyperus oliganthus Gandoger, Dec. Pl. Nov. 2: 37. 1876. TYPE: FRANCE:
Cyperus olivaris Cyperus olivaris O. Targioni Tozzetti, Mem. Mat. Fis. Soc. Ital. Sci. 13: 338. 1807. TYPE: ITALY: Sicily:
Cyperus olivaris var. brevibracteatus Cyperus olivaris O. Targioni Tozzetti, var. brevibracteatus Le Grand, Bull Assoc. Franç. Bot. 4: 61. 1901. TYPE: FRANCE:
Cyperus patulus Cyperus patulus Marschall von Bieberstein, Fl. Taur.-Caucas. 3: 47. 1819, non Host 1805.  
Cyperus platystachys Cyperus platystachys (C. B. Clarke) Chermezon, Ann. Mus. Colon. Marseille, ser. 3. 10(1): 48. 1922.BASIONYM: Cyperus rotundus Linnaeus, var. platystachys C. B. Clarke 1897. 
Cyperus procerulus Cyperus procerulus Nees von Esenbeck, in Wight, Contr. Bot. India 82. 1834. TYPE: INDIA:
Cyperus proteinolepis forma minor Cyperus proteinolepis Steudel, forma minor Boeckeler, Flora 62: 549. 1879. TYPE: SUDAN:
Cyperus purpureovariegatus Cyperus purpureovariegatus Boeckeler, Beitr. Cyper. 2: 37. 1890. TYPE: MARTINIQUE:
Cyperus radicosus Cyperus radicosus Sibthorp & Smith, Fl. Graec. Prodr. 1: 30. 1806. TYPE: GREECE:
Cyperus retzii Cyperus retzii Nees von Esenbeck, in Wight, Contr. Bot. India 82. 1834. TYPE: INDIA:
Cyperus rotundatus Cyperus rotundatus Koorders, Excurs.-Fl. Java 1: 190. 1911.  
Cyperus rotundus forma brevibracteatus Cyperus rotundus Linnaeus, var. brevibracteatus (Le Grand) Husnot, Cyperacees 76. 1906.BASIONYM: Cyperus olivaris O. Targioni Tozzetti, var. brevibracteatus Le Grand 1901. 
Cyperus rotundus forma comosus Cyperus rotundus Linnaeus, forma comosus (Sibthorp & Smith) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 112. 1935.BASIONYM: Cyperus comosus Sibthorp & Smith 1806. 
Cyperus rotundus forma depallescens Cyperus rotundus Linnaeus, forma depallescens Ekman & Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 112. 1935. TYPE: DOMINICAN REPUBLIC:
Cyperus rotundus forma inconspicuus Cyperus rotundus Linnaeus, forma inconspicuus (K. Richter) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 111. 1935.BASIONYM: Cyperus rotundus Linnaeus, var. inconspicuus K. Richter 1890; Cyperus inconspicuus Gennari 1851, non Liebmann 1850. 
Cyperus rotundus forma latifolius Cyperus rotundus Linnaeus, forma latifolius Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 112. 1935. TYPE: SUDAN:
Cyperus rotundus forma latimarginatus Cyperus rotundus Linnaeus, forma latimarginatus Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 112. 1935.  
Cyperus rotundus subsp. brevibracteatus Cyperus rotundus Linnaeus, subsp. brevibracteatus (Le Grand) M. Lainz, Aport. Conoc. Fl. Gallega 7: 34. 1971.Cyperus olivaris O. Targioni Tozzetti, var. brevibracteatus Le Grand 1901. 
Cyperus rotundus subsp. divaricatus Cyperus rotundus Linnaeus, subsp. divaricatus Lye, Nordic J. Bot. 16: 367. 1996. TYPE: SOMALIA: Migiurtinia: Dudo in Shol plain, 15 Dec 1953, Merla et al. s.n. (holotype: FT).
Cyperus rotundus subsp. merkeri Cyperus rotundus Linnaeus, subsp. merkeri (C. B. Clarke) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 115. 1935.BASIONYM: Cyperus merkeri C. B. Clarke 1906. 
Cyperus rotundus subsp. retzii Cyperus rotundus Linnaeus, subsp. retzii (Nees von Esenbeck) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 114. 1935.BASIONYM: Cyperus retzii Nees von Esenbeck 1834. 
Cyperus rotundus subsp. tuberosus Cyperus rotundus Linnaeus, subsp. tuberosus (Rottbøll) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 113. 1935.BASIONYM: Cyperus tuberosus Rottbøll 1772. 
Cyperus rotundus var. acutus Cyperus rotundus Linnaeus, var. acutus Boeckeler, Linnaea 36: 284. 1870.  
Cyperus rotundus var. amaliae Cyperus rotundus Linnaeus, var. amaliae C. B. Clarke, J. Linn. Soc., Bot. 21: 171. 1884. TYPE: AUSTRALIA:
Cyperus rotundus var. carinalis Cyperus rotundus Linnaeus, var. carinalis Bentham, Fl. Austral. 7: 280. 1878. TYEP: AUSTRALIA:
Cyperus rotundus var. centiflorus Cyperus rotundus Linnaeus, var. centiflorus C. B. Clarke, J. Linn. Soc., Bot. 21: 171. 1884.  
Cyperus rotundus var. comosus Cyperus rotundus Linnaeus, var. comosus (Sibthorp & Smith) K. Richter, Pl. Eur. 1: 135. 1890, nom. illegit.BASIONYM: Cyperus rotundus Linnaeus, var. major Parlatore 1852; Cyperus comosus Sibthorp & Smith 1806. 
Cyperus rotundus var. disruptus Cyperus rotundus Linnaeus, var. disruptus (C. B. Clarke) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 115. 1935.BASIONYM: Cyperus disruptus C. B. Clarke 1908. 
Cyperus rotundus var. elongatus Cyperus rotundus Linnaeus, var. elongatus Boeckeler, Linnaea 36: 285. 1870.  
Cyperus rotundus var. inconspicuus Cyperus rotundus Linnaeus, var. inconspicuus K. Richter, Pl. Eur. 1: 135. 1890.BASIONYM: Cyperus inconspicuus Gennari 1851, non Liebmann 1850. 
Cyperus rotundus var. major Cyperus rotundus Linnaeus, var. major Parlatore, Fl. Ital. 2: 37. 1852.BASIONYM: Cyperus comosus Sibthorp & Smith 1806. 
Cyperus rotundus var. mucrostachyus Cyperus rotundus Linnaeus, var. mucrostahyus Boissier, Fl. Orient. 5: 377. 1882.BASIONYM: Cyperus tetrastachyus Desfontaines 1798. 
Cyperus rotundus var. nubicus Cyperus rotundus Linnaeus, var. nubicus (C. B. Clarke) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 115. 1935.BASIONYM: Cyperus nubicus C. B. Clarke 1901. 
Cyperus rotundus var. pallidus Cyperus rotundus Linnaeus, var. pallidus Bentham, Fl. Austral. 7: 280. 1878. TYEP: AUSTRALIA:
Cyperus rotundus var. platystachys Cyperus rotundus Linnaeus, var. platystachys C. B. Clarke, in Harvey, Fl. Cap. 7: 182. 1897. TYPE: SOUTH AFRICA:
Cyperus rotundus var. procerulus Cyperus rotundus Linnaeus, var. procerulus (Nees von Esenbeck) C. B. Clarke, J. Linn. Soc., Bot. 21: 172. 1884.BASIONYM: Cyperus procerulus Nees von Esenbeck 1834. 
Cyperus rotundus var. quimoyensis Cyperus rotundus Linnaeus, var. quimoyensis L. Dai, Fl. Reip. Pop. Sin. 11: 315, 231. 1961.  
Cyperus rotundus var. salsolus Cyperus rotundus Linnaeus, var. salsolus C. B. Clarke, J. Linn. Soc., Bot. 21: 171. 1884. TYPE: NEW ZEALAND:
Cyperus rotundus var. spadiceus Cyperus rotundus Linnaeus, var. spadiceus Boeckeler, Linnaea 36: 284. 1870. TYPE: ETHIOPIA:
Cyperus rotundus var. taylorii Cyperus rotundus Linnaeus, var. taylorii (C. B. Clarke) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 114. 1935.BASIONYM: Cyperus taylorii C. B. Clarke 1901. 
Cyperus rotundus var. tetrastachyos Cyperus rotundus Linnaeus, var. tetrastachyos (Desfontaines) Trabut, in Battandier & Trabut, Fl. Alger 124. 1884, nom. illegit.BASIONYM: Cyperus rotundus Linnaeus, var. macrostachyus Boissier 1882; Cyperus tetrastachyos Desfontaines 1798. 
Cyperus rotundus var. tuberosus Cyperus rotundus Linnaeus, var. tuberosus (Rottbøll) Kükenthal, Notizbl. Bot. Gart. Berlin-Dahlem 9: 305. 1925.BASIONYM: Cyperus tuberosus Rottbøll 1772. 
Cyperus rudioi Cyperus rudioi Boeckeler, Flora 65: 12. 1882. TYPE: BRAZIL: Rio de Janeiro:
Cyperus rudioi var. minor Cyperus rudioi Boeckeler, var. minor Boeckeler, Flora 65: 12. 1882. TYPE: BRAZIL:
Cyperus rutundus forma contractus Cyperus rotundus Linnaeus, forma contractus Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 112. 1935. TYPE: ETHIOPIA:
Cyperus salaamensis Cyperus salaamensis Palla, Allg. Bot. Z. Syst. 9: 70. 1903. TYPE: TANZANIA:
Cyperus stolonifer var. pallidus Cyperus stolonifer Retzius, var. pallidus Boeckeler, Linnaea 35: 490. 1868.  
Cyperus taylorii Cyperus taylorii C. B. Clarke, in Oliver, Fl. Trop. Afr. 8: 367. 1901. TYPE: KENYA:
Cyperus tetrastachyos Cyperus tetrastachyos Desfontaines, Fl. Atlant. 1: 45, t. 8. 1798.  
Cyperus tuberosus Cyperus tuberosus Rottbøll, Descr. Pl. Rar. 18. 1772. TYPE: INDIA:
Cyperus weinlandii Cyperus weinlandii Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 131. 1935. TYPE: PAPUA NEW GUINEA: Finschhafen,
Cyperus yoshinagae Cyperus yoshinagae Ohwi, J. Jap. Bot. 13: 332. 1937. TYPE: JAPAN:
Schoenus tuberosus Schoenus tuberosus Burman f., Fl. Indica 19. 1768. TYPE: INDIA:

Specimens

Country State County Date Specimen Notes Image
USA Florida Broward Co. 09 Jun 1989 M. A. Vincent 4201
USA Florida Osceola Co. 16 Jun 1988 B. F. Hansen 11776
USA Florida Jackson Co. 01 Sep 1987 B. F. Hansen 11487
USA Florida Madison Co. 01 Sep 1987 B. F. Hansen 11549
USA Florida Miami-Dade Co. 27 Dec 1981 P. D. Sorensen 8189
USA Florida Highlands Co. 24 Dec 1999 V. E. McNeilus 00-20
USA Florida Miami-Dade Co. 24 Jun 1960 W. G. Atwater GS-204
USA Florida Miami-Dade Co. 18 Jun 1980 R. P. Sauleda 3615
USA Florida Miami-Dade Co. 30 Sep 1993 S. L. Orzell 22463
USA Florida Leon Co. 17 Jul 1986 B. F. Hansen 11069
USA Florida Pasco Co. 26 Aug 2002 C. vanHoek WB251
USA Florida Calhoun Co. 31 Jul 2010 T. MacClendon 1041
USA Florida Martin Co. Dec 1987 R. O. Woodbury s.n.
USA Florida Sumter Co. 31 Aug 2010 M. T. Strong 4001
USA Florida Hillsborough Co. 02 Sep 1998 C. Vanderveer s.n.
USA Florida Miami-Dade Co. 10 May 1994 S. L. Orzell 22656
USA Florida Polk Co. 06 Sep 1997 C. vanHoek 969
USA Florida Sarasota Co. 01 Jul 1999 B. K. Holst 7215
USA Florida Volusia Co. 01 Jan 2005 J. M. Kunzer 895
USA Florida Volusia Co. 02 Oct 2004 J. M. Kunzer 689
USA Florida Pinellas Co. 13 Sep 1963 R. F. Thorne 33919
USA Florida Palm Beach Co. 04 Oct 1969 W. L. McCart 11054
USA Florida Lee Co. 28 Oct 1975 W. C. Brumbach 8849
USA Florida Hillsborough Co. 15 Sep 1954 R. E. Perdue 1744
USA Florida Marion Co. 24 Jul 1985 B. F. Hansen 10457
USA Florida Hillsborough Co. 29 Jul 1964 O. K. Lakela 27357
USA Florida Miami-Dade Co. 29 Jul 1981 R. P. Sauleda 5805
USA Florida Hillsborough Co. 15 Sep 1954 R. E. Perdue 1744
USA Florida Okaloosa Co. 24 Nov 1980 G. Wilhelm 8041
USA Florida Monroe Co. 07 Aug 1966 R. W. Long 2193
USA Florida Alachua Co. 13 Apr 1963 R. R. Smith s.n.
USA Florida Lee Co. 07 Mar 1954 G. R. Cooley 2556
USA Florida Escambia Co. 28 Sep 1957 R. Kral 6052
USA Florida Miami-Dade Co. 03 Apr 1965 O. K. Lakela 28458
USA Florida Pinellas Co. 03 Aug 1993 B. F. Hansen 12330
USA Florida Clay Co. 16 Apr 2012 W. D. Longbottom 16819
USA Florida Seminole Co. 27 Jun 2013 D. H. Williams 3679
USA Florida Calhoun Co. 01 Sep 2013 T. MacClendon 1327
USA Florida Lee Co. 30 Aug 1999 S.W. Braem GI0166
USA Florida Broward Co. 13 Oct 2015 E. A. Revuelta 5
USA Louisiana East Baton Rouge Par. 16 Oct 1978 M. Alleman
USA Louisiana Orleans Par. 25 Apr 1972 P. Babin 101
USA Louisiana Lincoln Par. 22 Oct 1974 W. L. Rockett 22
USA Louisiana Lincoln Par. 19 Oct 1971 D. Adams 116
USA Georgia Glynn Co. 21 Oct 2001 K. Francl 436
USA Louisiana Orleans Par. 03 Jul 1986 J. MacGregor 460
USA Louisiana West Feliciana Par. 08 Aug 1979 C. M. Allen 9558
USA Alabama Baldwin Co. 20 May 1981 G. Wilhelm 9000
USA South Carolina Berkeley Co. 19 Sep 2000 V. E. McNeilus 1142
USA Louisiana Ouachita Par. 25 Jul 1983 D. D. Taylor 4370
USA Alabama Escambia Co. 08 Jul 1981 G. Wilhelm 9687
USA Georgia Morgan Co. 20 Sep 1992 J. E. Seward 1606
USA South Carolina Colleton Co. 10 Sep 1968 S. W. Leonard 1968
USA Louisiana Ouachita Par. 07 May 1967 R. D. Thomas 2594
USA Georgia McIntosh Co. 16 Jul 1956 W. H. Duncan 20300
USA Mississippi Jackson Co. 1893 J. Skehan 158
USA South Carolina York Co. 05 Jun 1957 H. E. Ahles 27165
USA Georgia McIntosh Co. 16 Jul 1956 W. H. Duncan 20300
Dominica St. Paul Par. 03 Jun 1994 S. R. Hill 25790
Jamaica Surrey Co. St. Andrew Par. 09 Jun 1963 M. R. Crosby 84
U.S. Virgin Islands St. John Island 25 Aug 1994 J. E. Poppleton s.n.
USA Florida Miami-Dade Co. 06 Mar 1970 M. McMahon 5
USA Florida Miami-Dade Co. 01 Dec 1967 H. W. Barrick 18
Honduras Francisco Morazán Dept. 01 Apr 1985 C. Bendeck 115
Brazil Paraná 31 Jan 1966 J. C. Lindeman 448
Panama Bocas del Toro Prov. 19 Apr 1969 R. L. Lazor 2604
Suriname Paramaribo Distr. 14 Jun 1961 W. H. A. Hekking 863
India s.d. Collector unspecified on label s.n.
India Uttar Pradesh 21 Dec 1956 V. Chandra 43644
Japan Kyoto Pref. 22 Jul 1965 Konta 8793
India Jammu and Kashmir 21 Jul 1956 G. Saran 30116
Taiwan Tainan Co. 21 Aug 1972 C.S. Kuoh 3967
India West Bengal 12 Jun 1955 T. Mukerjee 22422
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