Imperata cylindrica

Family:POACEAE
Species:Imperata cylindrica (Linnaeus) Beauvois
Common Name:Cogon Grass; Cotton Grass; Satin tail
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:IMCY
Plant Notes:A member of the Federal Noxious Weed List (24 May 2006).
Taxonomic Notes:**
Status:Not Native
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyPOACEAE - Grass family
Genus Imperata
Species Imperata cylindrica (Linnaeus) Beauvois - Cogon Grass; Cotton Grass; Satin tail

Citation

Citation IMPERATA CYLINDRICA (Linnaeus) Palisot de Beauvois, Ess. Agrostogr. 8, 165, 177. 1812.
Basionym: Lagurus cylindricus Linnaeus 1759.
Type: ITALY: Without data (lectotype: LINN 96.2). Lectotypified by Clayton & Renvoize, in Polhill, Fl. Trop. E. Afr., Gramineae 3: 700. 1982.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Calamagrostis lagurus Calamagrostis lagurus Koeler, Descr. Gram. 112. 1802, nom. illegit.Lagurus cylindricus Linnaeus 1759. 
Imperata allang Imperata allang Junghuhn, in Hoeven & de Vriese, Tijdschr. Naturrl. Gesch. Physiol. 7: 295. 1840. INDONESIA: Java:
Imperata angolensis Imperata angolensis Fritsch, Bull. Herb. Boissier, ser. 2. 1: 1096. 1901. ANGOLA: Huila, s.d., Dekindt s.n. (holotype: W).
Imperata arundinacea Imperata arundinacea Cirillo, Pl. Rar. Neapol. 2: 26. 1792, nom. illegit.Lagurus cylindricus Linnaeus 1759.  
Imperata arundinacea var. africana Imperata arundinacea Cirillo, var. africana Andersson, Oefvers. Foerh. Kongl. Svenska Vetensk.-Akad. 12: 159. 1855.Saccharum thunbergii Retzius 1789. 
Imperata arundinacea var. europea Imperata arundinacea Cirillo, var. europea Andersson, Oefvers. Foerh. Kongl. Svenska Vetensk.-Akad. 12: 160. 1855.  
Imperata arundinacea var. genuina Imperata arundinacea Cirillo, var. genuina Hackel, in Alph. de Candolle, Monogr. Phan. 6: 93. 1889, nom. inadmiss.Imperata arundinacea Cirillo 1792, nom. illegit.; Lagurus cylindricus Linnaeus 1759. 
Imperata arundinacea var. glabrescens Imperata arundinacea Cirillo, var. glabrescens Büse, in Miquel, Pl. Jungh. 366. 1854. INDONESIA: Sumatra: Near Pertibi, s.d., Horner s.n. (holotype: L).
Imperata arundinacea var. indica Imperata arundinacea Cirillo, var. indica Andersson, Oefvers. Foerh. Kongl. Svenska Vetensk.-Akad. 12: 160. 1855.  
Imperata arundinacea var. koenigii Imperata arundinacea Cirillo, var. koenigii (Retzius) Bentham, Fl. Hongk. 419. 1861.Saccharum koenigii Retzius 1789. 
Imperata arundinacea var. pedicellata Imperata arundinacea Cirillo, var. pedicellata (Steudel) Debeaux, Rech. Fl. Pyren.-Orient. 323. 1878.Imperata pedicellata Steudel 1846. 
Imperata arundinacea var. thunbergii Imperata arundinacea Cirillo, var. thunbergii (Retzius) Stapf, in Harvey, Fl. Cap. 7: 320. 1898, nom. illegit.Imperata arundinacea Cirillo, var. africana Andersson 1855; Saccharum thunbergii Retzius 1789. 
Imperata cylindrica var. europea Imperata cylindrica (Linnaeus) Palisot de Beauvois, var. europea (Andersson) Ascherson & Graebner, Syn. Mitteleur. Fl. 1: 412. 1898.Imperata arundinacea Cirillo, var. europea Andersson 1855. 
Imperata cylindrica var. major Imperata cylindrica (Linnaeus) Raeuschel, var. major (Nees von Esenbeck) C. E. Hubbard, in C. E. Hubbard & Vaughan, Grasses Mauritius 96. 1940.Imperata koenigii (Retzius) Palisot de Beauvois, var. major Nees von Esenbeck 1841. 
Imperata cylindrica var. africana Imperata cylindrica (Linnaeus) Palisot de Beauvois, var. africana (Andersson) C. E. Hubbard, Joint Publ. Imp. Agric. Bur. 7: 10. 1944.Imperata arundinacea Cirillo, var. africana Andersson 1855; Saccharum thunbergii Retzius 1789. 
Imperata cylindrica var. genuina Imperata cylindrica (Linnaeus) Palisot de Beauvois, var. genuina A. Camus, Rev. Bot. Appl. Agric. Colon. 5: 110. 1925, nom. inadmiss.Imperata cylindrica (Linnaeus) Palisot de Beauvois 1812; Lagurus cylindricus Linnaeus 1759. 
Imperata cylindrica var. glabrescens Imperata cylindrica (Linnaeus) Palisot de Beauvois, var. glabrescens (Büse) Ohwi, Acta Phytotax. Geobot. 11: 147. 1942.Imperata arundinacea Cirillo, var. glabrescens Büse 1854. 
Imperata cylindrica var. koenigii Imperata cylindrica (Linnaeus) Raeuschel, var. koenigii (Retzius) Bentham ex Pilger, in Perkins, Fragm. Fl. Philipp. 137. 1904.Saccharum koenigii Retzius 1789. 
Imperata cylindrica var. latifolia Imperata cylindrica (Linnaeus) Palisot de Beauvois, var. latifolia (Hooker f.) C. E. Hubbard, Joint Publ. Imp. Agric. Bur. 7: 10. 1944.Imperata arundinacea Cirillo, var. latifolia Hooker f. 1896. 
Imperata cylindrica var. thunbergii Imperata cylindrica (Linnaeus) Palisot de Beauvois, var. thunbergii (Retzius) T. Durand & Schinz, Consp. Fl. Afric. 5: 693. 1894, nom. illegit.Imperata arundinacea Cirillo, var. africana Andersson 1855; Saccharum thunbergii Retzius 1789. 
Imperata dinteri Imperata dinteri Pilger, Bot. Jahrb. Syst. 48: 342. 1912. SOUTH-WEST AFRICA: Namibia: Okokongominga, s.d., Dinter 1767 (holotype: B).
Imperata koenigii Imperata koenigii (Retzius) Palisot de Beauvois, Ess. Agrostogr. 8, 165, 177. 1812.Saccharum koenigii Retzius 1789. 
Imperata koenigii var. major Imperata koenigii (Retzius) Palisot de Beauvois, var. major Nees von Esenbeck, Fl. Afr. Austral. Ill. 90. 1841. SOUTH AFRICA: Umgazana (Omgaziana) to Mzimvubu (Omsamwubo), s.d., Drege s.n. (holotype: ?).
Imperata pedicellata Imperata pedicellata Steudel, Flora 29: 22. 1846. JAPAN
Imperata sieberi Imperata sieberi Opiz, Naturalientausch 10: 190. 1825.  
Imperata thunbergii Imperata thunbergii (Retzius) Roemer & Schultes, Syst. Veg. 2: 289. 1817.Saccharum thunbergii Retzius 1789. 
Lagurus cylindricus Lagurus cylindricus Linnaeus, Syst. Nat., ed. 10. 878. 1759. ITALY: Without data (lectotype: LINN 96.2). Lectotypified by Clayton & Renvoize, in Polhill, Fl. Trop. E. Afr., Gramineae 3: 700. 1982.
Saccharum cylindricum Saccharum cylindricum (Linnaeus) Lamarck, Encycl. 1: 594. 1785.Lagurus cylindricus Linnaeus 1759. 
Saccharum europaeum Saccharum europaeum Persoon, Syn. Pl. 1: 103. 1805, nom. alt.Saccharum cylindricum (Linnaeus) Lamarck 1785; Lagurus cylindricus Linnaeus 1759. 
Saccharum koenigii Saccharum koenigii Retzius, Observ. Bot. 5: 16. 1788 ("1789"). JAPAN: Without data, Koenig s.n. (holotype: LD).
Saccharum laguroides Saccharum laguroides Pourret, Hist. & Mém. Acad. Roy. Sci. Toulouse 3: 326. 1788, nom. illegit.Lagurus cylindricus Linnaeus 1759. 
Saccharum sisca Saccharum sisca Cavanilles, Icones 3: 47, t. 292. 1795. SPAIN: Valencia:
Saccharum thunbergii Saccharum thunbergii Retzius, Observ. Bot. 5: 17. 1788 ("1789"). East Indies, without data, Thunberg s.n. (holotype: LD).
Imperata brasiliensis    
Imperata cylindrica var. mexicana    

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Baldwin, Bibb, Bullock, Butler, Calhoun, Choctaw, Cleburne, Coffee, Conecuh, Covington, Crenshaw, Dale, Fayette, Geneva, Lowndes, Macon, Marengo, Mobile, Montgomery, Pike, Sumter, Tuscaloosa

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: AUA, JSU, NY, TROY, UNA, UWAL

Range of years during which specimens were collected: 1982 - 2004

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
TROY000012265 Baldwin 26 May 2002 Robert R. Haynes
10267
TROY
Imperata cylindrica (Linnaeus) Beauvois
UWAL0011785 Sumter 21 May 2013 Keener, Brian R.
7828
UWAL
Imperata cylindrica (Linnaeus) Beauvois
UWAL0033831 Sumter 11 May 2015 Keener, Brian R.
8827
UWAL
Imperata cylindrica (Linnaeus) Beauvois
UWAL0032968 Geneva 10 Dec 2015 Diamond, Alvin R.
27115
UWAL
Imperata cylindrica (Linnaeus) Beauvois
TROY000046305 Lowndes 01 May 2018 Alvin R. Diamond
28251
TROY
Imperata cylindrica (Linnaeus) Beauvois
AUA000017669 Crenshaw 12 MAY 1996 DIAMOND, JR., ALVIN R.
10227
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
TROY000028134 Sumter 06 May 2008 Brian R. Keener
4615
TROY
Imperata cylindrica (Linnaeus) Beauvois
JSU102031 Bibb 07 Jun 1999 K. R. Brodeur
1974
JSU
Imperata cylindrica (Linnaeus) Beauvois
AUA000025075 Macon 17 SEP 2006 BIRKHEAD, ROGER
SN
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UWAL0036950 Fayette 18 May 2017 England, J. Kevin
7784
UWAL
Imperata cylindrica (Linnaeus) Palisot de Beauvois
AUA000017675 Pike 9 APR 1994 DIAMOND, JR., ALVIN R.
9053
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UNA00058218 Baldwin 26 May 2002 Robert R. Haynes
10267
UNA
Imperata cylindrica (L.) Palisot
AUA000017666 Covington 22 MAR 1997 DIAMOND, JR., ALVIN R.
10910
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
AUA000017667 Crenshaw 17 MAY 1998 DIAMOND, JR., ALVIN R.
11252
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
TROY000043758 Geneva 07 Apr 2016 Alvin R. Diamond
27288
TROY
Imperata cylindrica (Linnaeus) Beauvois
AUA000017670 Crenshaw 4 JUN 1993 DIAMOND, JR., ALVIN R.
8654
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UWAL0015734 Calhoun 16 May 2013 Spaulding, Dan
13732
UWAL
Imperata cylindrica (L.) Beauv.
AUA000017663 Conecuh 19 APR 2003 JACKS, C. W.
30
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UWAL0039778 Lowndes 01 May 2018 Diamond, Alvin R.
28251
UWAL
Imperata cylindrica (Linnaeus) Beauvois
UNA00062952 Butler 01 May 2004 Alvin R. Diamond
14367
UNA
Imperata cylindrica (L.) Raeusch.
TROY000027395 Tuscaloosa 27 Apr 2003 Daniel D. Spaulding
11780
TROY
Imperata cylindrica (Linnaeus) Beauvois
TROY000030956 Dale 21 May 1997 Alvin R. Diamond
11010
TROY
Imperata cylindrica (Linnaeus) Beauvois
AUA000017656 Conecuh 27 MAY 1987 DIAMOND, JR., ALVIN R.
3250
AUA
IMPERATA BRASILIENSIS TRIN.
UWAL0009005 Baldwin 11 May 2005 Hansen, C.J.
1761
UWAL
Imperata cylindrica (L.) Beauv.
AUA000017671 Crenshaw 29 JUN 1996 DIAMOND, JR., ALVIN R.
10361
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
TROY000043766 Geneva 10 Dec 2015 Alvin R. Diamond
27115
TROY
Imperata cylindrica (Linnaeus) Beauvois
AUA000017668 Crenshaw 26 MAY 1996 DIAMOND, JR., ALVIN R.
10269
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
NYv-034-00348297 Baldwin 19 Apr 1970 Robert Kral
38860
NY
Imperata brasiliensis Trin.
UWAL0013001 Fayette 30 Apr 2011 Younghance, Steve
0331
UWAL
Imperata cylindrica (Linnaeus) Beauvois
AUA000017659 Butler 25 MAY 1996 DIAMOND, JR., ALVIN R.
10265
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UWAL0032974 Geneva 07 Apr 2016 Diamond, Alvin R.
27288
UWAL
Imperata cylindrica (Linnaeus) Beauvois
TROY000043718 Montgomery 01 May 2016 Alvin R. Diamond
27359
TROY
Imperata cylindrica (Linnaeus) Beauvois
AUA000017655 Choctaw 4 MAY 1995 CROUCH, VIRGINIA E.
1396
AUA
IMPERATA BRASILIENSIS TRIN.
UWAL0018635 Baldwin 02 May 1987 Kral, R.
73859
UWAL
Imperata brasiliensis Trin.
TROY000012268 Dale 19 May 2000 Tiffany Pennington
672
TROY
Imperata cylindrica (Linnaeus) Beauvois
UWAL0043219 Baldwin 22 Apr 2002 Larsen, H.S.
1026
UWAL
Imperata cylindrica (L.) Beauv.
UNA00017099 Mobile 27 Mar 1982 Robert R. Haynes
8505a
UNA
Imperata cylindrica (L.) Raeusch.
TROY000012267 Coffee 12 Apr 2000 Brian H. Martin
565
TROY
Imperata cylindrica (Linnaeus) Beauvois
JSU102032 Mobile 31 May 1998 D. D. Spaulding
10270
JSU
Imperata cylindrica (Linnaeus) Beauvois
TROY000043940 Pike 03 May 2016 Alvin R. Diamond
27360
TROY
Imperata cylindrica (Linnaeus) Beauvois
AUA000017674 Pike 10 MAY 1997 DIAMOND, JR., ALVIN R.
11009
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UWAL0011054 Bullock 26 Apr 2012 Dykes, Bailee
0616
UWAL
Imperata cylindrica (Linnaeus) Beauvois
AUA_ACC065489 Baldwin 11 MAY 2005 HANSEN, CURTIS J.
1761
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UNA00061170 Tuscaloosa 27 Apr 2003 D. D. Spaulding
11780
UNA
Imperata cylindrica (L.) Palisot
JSU102030 Baldwin 19 Apr 1970 R. Kral
388
JSU
Imperata cylindrica (Linnaeus) Beauvois
TROY000037384 Fayette 01 May 2012 Steve Younghance
339
TROY
Imperata cylindrica (Linnaeus) Beauvois
UWAL0010330 Marengo 01 May 2012 England, J. Kevin
3421
UWAL
Imperata cylindrica (Linnaeus) Beauvois
AUA000017665 Covington 22 MAR 1997 DIAMOND, JR., ALVIN R.
10911
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
AUA000017662 Conecuh 5 APR 1997 DIAMOND, JR., ALVIN R.
10962
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
AUA000017661 Conecuh 26 APR 1997 DIAMOND, JR., ALVIN R.
10991
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
NYv-034-00348298 Mobile 28 Mar 1975 Roy Dale Thomas
43100
NY
Imperata brasiliensis Trin.
AUA000025682 Covington 31 MAY 1993 OBERHOLSTER, SUZANNE
417
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
TROY000012266 Butler 01 May 2004 Alvin R. Diamond
14367
TROY
Imperata cylindrica (Linnaeus) Beauvois
TROY000027394 Cleburne 02 Jun 2002 Daniel D. Spaulding
11349
TROY
Imperata cylindrica (Linnaeus) Beauvois
JSU144478 Calhoun 24 Jun 1985 Jean Johnson
007
JSU
Imperata cylindrica (Linnaeus) Beauvois
AUA000017672 Dale 21 MAY 1997 DIAMOND, JR., ALVIN R.
11010
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
AUA000017676 Pike 15 MAY 1996 DIAMOND, JR., ALVIN R.
10241
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
TROY000035093 Bullock 26 Apr 2012 Bailee Dykes
616
TROY
Imperata cylindrica (Linnaeus) Beauvois
AUA000025996 Mobile 31 MAY 1998 SPAULDING, DANIEL D.
10270
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
AUA000017660 Butler 1 MAY 2004 DIAMOND, JR., ALVIN R.
14367
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UNA00059405 Cleburne 02 Jun 2002 D. D. Spaulding
11349
UNA
Imperata cylindrica (L.) Palisot
TROY000037374 Fayette 30 Apr 2011 Steve Younghance
331
TROY
Imperata cylindrica (Linnaeus) Beauvois
UWAL0013012 Fayette 01 May 2012 Younghance, Steve
0339
UWAL
Imperata cylindrica (Linnaeus) Beauvois
AUA000017658 Butler 20 MAY 1994 DIAMOND, JR., ALVIN R.
9175
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UWAL0033080 Montgomery 01 May 2016 Diamond, Alvin R.
27359
UWAL
Imperata cylindrica (Linnaeus) Beauvois
AUA000017673 Mobile 19 MAY 1956 DAVIS, DONALD E.
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
AUA000017664 Covington 4 JUN 1993 DIAMOND, JR., ALVIN R.
8653
AUA
IMPERATA CYLINDRICA (L.) P. BEAUV.
UWAL0009006 Sumter 06 May 2008 Keener, Brian R.
4615
UWAL
Imperata cylindrica (L.) Beauv.
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