Cyperus flavescens

Family:CYPERACEAE
Species:Cyperus flavescens Linnaeus
Common Name:Yellow Flatsedge
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Annual
Category:Vascular
USDA Symbol:**
Plant Notes:**
Taxonomic Notes:**
Status:Native, OBL (NWI)
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyCYPERACEAE - Sedge family
Genus Cyperus
Species Cyperus flavescens Linnaeus - Yellow Flatsedge

Citation

Citation CYPERUS FLAVESCENS Linnaeus, Sp. Pl. 46. 1753.
Basionym: **
Type: Without data, Herb. Burser 1: 81 (lectotype: UPS). Lectotypified by Kukkonen, in Cafferty & C. E. Jarvis, Taxon 53: 178. 2004.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Chlorocyperus abyssinicus Chlorocyperus abyssinicus (Hochstetter ex Steudel) Rikli, Jahrb. Wiss. Bot. 27: 564. 1895.Cyperus abyssinicus Hochstetter ex Steudel 1854. 
Chlorocyperus flavescens Chlorocyperus flavescens (Linnaeus) Rikli, Jahrb. Wiss. Bot. 27: 563. 1895.Cyperus flavescens Linnaeus 1753. 
Cyperus abyssinicus Cyperus abyssinicus Hochstetter ex Steudel, Syn. Pl. Glumac. 2: 4. 1854.  
Cyperus durandii Cyperus durandii Boeckeler, Allg. Bot. Z. Syst. 1: 165. 1895. COSTA RICA: San Jose, s.d., Pittier & Durand 1531 (holotype: ?).
Cyperus flavescens var, paraensis Cyperus flavescens Linnaeus, var. paraensis (Nees vn Esenbeck) Boeckeler, Linnaea 35: 439. 1868.Pycreus paraensis Nees von Esenbeck 1842. 
Cyperus flavescens var. fontanesii Cyperus flavescens Linnaeus, var. fontanesii (Kunth) C. B. Clarke, J. Linn. Soc., Bot. 21: 38. 1884.Cyperus fontanesii Kunth 1837. 
Cyperus flavescens var. pygmaeus Cyperus flavescens Linnaeus, var. pygmaeus Goiran, Spec. Morphogr. Veg. 19, t. 2(3). 1875.  
Cyperus flavescens var. typicus Cyperus flavescens Linnaeus, var. typicus Regel, Trudy Imp. S.-Betersburgk. Bot. Sada 7: 557 (reprint p. 15). 1881, nom. inadmiss.Cyperus flavescens Linnaeus 1753. 
Cyperus fontanesii Cyperus fontanesii Kunth, Enum. Pl. 2: 5. 1837.  
Cyperus gussonei Cyperus gussonei Gasparrini, in Gussone, Fl. Sicul. Syn. 2: 779. 1844.  
Cyperus pallidus Cyperus pallidus Kitaibal ex Kanitz, Verh. K.K. Zool.-Bot. Ges. Wien 13: 505. 1863, non Link 1820, nec Savi 1830, nec Nees von Esenbeck 1834.  
Cyperus paraensis Cyperus paraensis (Nees von Esenbeck) Schrader & Martius ex Steudel, Syn. Pl. Glumac. 2: 5. 1854.Pycreus paraensis Nees von Esenbeck 1842. 
Cyperus poaeformis Cyperus poaeformis Pursh, Fl. Amer. Sept. 1: 50. 1814. SOUTH CAROLINA:
Cyperus setaceus Cyperus setaceus Wulfen, Fl. Norica 49. 1858, non Retzius 1788.  
Cyperus squalidus Cyperus squalidus Liebmann, Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd., ser. 5. 2: 199. 1850. COSTA RICA: Cartago, s.d., Oersted 14399 (holotype: C; isotype: GH).
Cyperus stramineus Cyperus stramineus Desfontaines ex Link, Jahrb. Gewaechsk. 1(3): 84. 1820.  
Cyperus tonduzianus Cyperus tonduzianus Boeckeler, Allg. Bot. Z. Syst. 1: 187. 1895. COSTA RICA: San Jose, s.d., Tonduz 1531 (holotype: B; isotypes: F, GH).
Cyperus Xnieuwlandii Cyperus Xnieuwlandii Geise, Amer. Midl. Naturalist 15: 245. 1934. INDIANA: St. Josephs Co.: Notre Dame, 23 Oct 1912, Nieuwland 10390 (holotype: NDG).
Pycreus flavescens Pycreus flavescens (Linnaeus) Palisot de Beauvois ex Reichenbach, Fl. Germ. Excurs. 72. 1830.Cyperus flavescens Linnaeus 1753. 
Pycreus flavescens var. abyssinicus Pycreus flavescens (Linnaeus) Reichenbach, var. abyssinicus (Hochstetter ex Steudel) Rendle, in Hiern, Cat. Afr. Pl. 2: 106. 1899.Cyperus abyssinicus Hochstetter ex Steudel 1854. 
Pycreus paraensis Pycreus paraensis Nees von Esenbeck, in Martius, Fl. Bras. 2(1): 8. 1842. BRAZIL: Pará: Without data, Martius s.n. (181?) (holotype: ?).
Cyperus flavescens var. poiformis Cyperus flavescens Linnaeus, var. poaeformis (Pursh) Fernald, Rhodora 41: 529. 1939.Cyperus poaeformis Pursh 1814. 

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, Blount, Calhoun, Colbert, Conecuh, Etowah, Franklin, Geneva, Jackson, Jefferson, Lawrence, Lee, Limestone, Marshall, Mobile, Montgomery, Perry, Shelby, St. Clair, Sumter, Talladega, Tallapoosa, Tuscaloosa, Washington

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1876 - 2023

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
JSU111978 Talladega 14 Aug 1994 Ballard, J. Mark
4778
JSU
Cyperus flavescens Linnaeus
UNA00001807 Marshall 04 Aug 1980 Meigs, Russell A.
1110
UNA
Cyperus flavescens L.
UNA00054304 Blount 11 Jul 1998 Keener, Brian R.
1210a
UNA
Cyperus flavescens L.
UWAL0003250 Jefferson 09 Oct 2005 Spaulding, Daniel D.
12355
UWAL
Cyperus flavescens L.
UNA00001852 Tuscaloosa 23 Sep 1979 Williams, John S.
19
UNA
Cyperus flavescens L.
JSU111977 Shelby 12 Oct 1996 Spaulding, Daniel D.
9331
JSU
Cyperus flavescens Linnaeus
UNA00059849 Etowah 02 Nov 2002 Spaulding, Daniel D.
11662
UNA
Cyperus flavescens L.
UWAL0017306 Lawrence 08 Jul 2014 England, J. Kevin
5049
UWAL
Cyperus flavescens Linnaeus
UNA00001817 St. Clair 23 Oct 1977 Bradshaw, Dwight K.
215
UNA
Cyperus flavescens L.
JSU111972 Franklin 15 Oct 1975 Whetstone, R. David
7153
JSU
Cyperus flavescens Linnaeus
UNA00067269 Jefferson 09 Oct 2005 Spaulding, Daniel D.
12355
UNA
Cyperus flavescens L.
JSU111963 Calhoun 4 Sep 1994 Spaulding, Daniel D.
6174
JSU
Cyperus flavescens Linnaeus
AUA000024505 Jefferson 9 Oct 2005 Spaulding, Daniel D.
12355
AUA
Cyperus Flavescens L.
UNA00056331 Geneva 28 Nov 1998 MacDonald, John R.
12461
UNA
Cyperus flavescens L.
UWAL0003252 Sumter 13 Nov 2006 Keener, Brian R.
3280
UWAL
Cyperus flavescens L.
JSU111967 Etowah 18 Oct 1975 Whetstone, R. David
7355
JSU
Cyperus flavescens Linnaeus
ALNHS00000072 Mobile 27 Jul 1998 Spaulding, Daniel D.
10395
ALNHS
Cyperus flavescens L.
JSU111962 Calhoun 15 Jul 1982 Whetstone, R. David
11431
JSU
Cyperus flavescens Linnaeus
ALNHS00006947 Limestone 10 Sep 2020 Barger, T. Wayne
SP#5392
ALNHS
Cyperus flavescens L.
JSU111964 Etowah 19 Jun 1994 Hodge, Lesley M.
2651
JSU
Cyperus flavescens Linnaeus
UNA00001832 Talladega _ Aug 1877 Mohr, Charles
s.n.
UNA
Cyperus flavescens L.
TROY000028900 Tallapoosa 18 Oct 2006 Barger, T. Wayne
468
TROY
Cyperus flavescens Linnaeus
JSU111975 Lawrence 18 Aug 1974 Whetstone, R. David
3887
JSU
Cyperus flavescens Linnaeus
UWAL0057472 Washington 27 May 2023 Horne, Howard H.
5098
UWAL
Cyperus flavescens L.
TROY000028640 Shelby 09 Nov 2007 Keener, Brian R.
4025
TROY
Cyperus flavescens Linnaeus
UNA00054511 Blount 05 Sep 1998 Keener, Brian R.
1599
UNA
Cyperus flavescens L.
JSU111971 Franklin 15 Oct 1975 Whetstone, R. David
7119
JSU
Cyperus flavescens Linnaeus
JSU111969 Etowah 28 Aug 1994 Hodge, Lesley M.
3285
JSU
Cyperus flavescens Linnaeus
USAM000004597 Mobile 17 Nov 1975 LeLong, Michel G.
8916
USAM
Cyperus flavescens Linnaeus
UNA00001827 Mobile _ Aug 1889 Mohr, Charles
s.n.
UNA
Cyperus flavescens L.
TROY000051893 Lawrence 06 Aug 2016 England, J. Kevin
6697
TROY
Cyperus flavescens Linnaeus
JSU111965 Etowah 18 Oct 1975 Whetstone, R. David
7355
JSU
Cyperus flavescens Linnaeus
TROY000025272 Jefferson 09 Oct 2005 Spaulding, Daniel D.
12355
TROY
Cyperus flavescens Linnaeus
JSU111970 Franklin 15 Oct 1975 Whetstone, R. David
7153
JSU
Cyperus flavescens Linnaeus
UNA00001817 St. Clair 23 Oct 1977 Bradshaw, Dwight K.
215
UNA
Cyperus flavescens L.
JSU111976 Mobile 27 Jul 1998 Spaulding, Daniel D.
10395
JSU
Cyperus flavescens Linnaeus
TROY000043287 Lawrence 08 Jun 2014 England, J. Kevin
5049
TROY
Cyperus flavescens Linnaeus
AUA000027162 Lawrence 8 Jul 2014 England, J. Kevin
5049
AUA
Cyperus Flavescens L.
JSU111966 Etowah 18 Oct 1975 Whetstone, R. David
7355
JSU
Cyperus flavescens Linnaeus
ALNHS00004482 Colbert 26 Jun 2014 England, J. Kevin
FH-424
ALNHS
Cyperus flavescens L.
JSU111973 Franklin 15 Oct 1975 Whetstone, R. David
7153
JSU
Cyperus flavescens Linnaeus
UWAL0056408 Lawrence 11 Nov 2021 England, Kevin J.
12507
UWAL
Cyperus flavescens L.
AUA000021058 Perry 1 Oct 1993 Diamond, Alvin R.
8860
AUA
Cyperus Flavescens L.
UWAL0016833 Mobile 10 Nov 2013 Horne, Howard E.
2474
UWAL
Cyperus flavescens Linnaeus
UWAL0033416 Lawrence 06 Aug 2016 England, J. Kevin
6697
UWAL
Cyperus flavescens Linnaeus
UNA00001852 Tuscaloosa 23 Sep 1979 Williams, John S.
19
UNA
Cyperus flavescens L.
JSU111974 Jackson 14 Oct 1975 Whetstone, R. David
6951
JSU
Cyperus flavescens Linnaeus
UWAL0017152 Colbert 26 Jun 2014 England, J. Kevin
4988
UWAL
Cyperus flavescens Linnaeus
UNA00001842 Tuscaloosa 07 Aug 1957 Hancock, Kenneth F.
s.n.
UNA
Cyperus flavescens L.
UWAL0011626 Mobile 27 Aug 2012 Horne, Howard E.
1873
UWAL
Cyperus flavescens Linnaeus
UWAL0043002 Baldwin 09 Aug 2003 Larsen, Harry S.
1264
UWAL
Cyperus flavescens L.
USAM000004596 Mobile 10 Nov 1980 Powers, Maureen T.
s.n.
USAM
Cyperus flavescens Linnaeus
UNA00001837 Montgomery _ Oct 1874 Smith, Eugene A.
s.n.
UNA
Cyperus flavescens L.
AUA000021056 Conecuh 21 Aug 1987 Diamond, Alvin R.
3529
AUA
Cyperus Flavescens L.
TROY000025448 Geneva 28 Nov 1998 MacDonald, John R.
12461
TROY
Cyperus flavescens Linnaeus
UNA00068751 Shelby 09 Nov 2007 Keener, Brian R.
4025
UNA
Cyperus flavescens L.
UWAL0003251 Shelby 09 Nov 2007 Keener, Brian R.
4025
UWAL
Cyperus flavescens L.
UWAL0053328 Lawrence 10 Nov 2021 Bryson, Charles T.
27234
UWAL
Cyperus flavescens L.
JSU111968 Etowah 14 Aug 1994 Hodge, Lesley M.
3055
JSU
Cyperus flavescens Linnaeus
UNA00001847 Tuscaloosa 23 Jul 1876 Smith, Eugene A.
s.n.
UNA
Cyperus flavescens L.
AUA000021057 Lee 27 Jul 1959 Pongsuwana, Umpol
AUA
Cyperus Flavescens L.
UWAL0046880 Marshall 07 Oct 1980 Webb, David H.
3580
UWAL
Cyperus flavescens L.
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