Cyperus flavescens

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Distribution Map: Based on vouchered plant specimens only. View county names by placing the mouse cursor over a particular county.

Family:	CYPERACEAE
Species:	Cyperus flavescens L.
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:	**

** Not applicable or data not available.

Classification

Family	CYPERACEAE - Sedge family
Genus	Cyperus
Species	Cyperus flavescens L. - Yellow Flatsedge

Citation

Citation	Cyperus flavescens Linnaeus, Sp. Pl. 1: 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

Synonym	Full Citation	Basionym	Type
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

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
USAM000004596	Mobile	10 Nov 1980	Powers, Maureen T. s.n.	USAM Cyperus flavescens Linnaeus
UWAL0053328	Lawrence	10 Nov 2021	Bryson, Charles T. 27234	UWAL Cyperus flavescens L.
UWAL0003250	Jefferson	09 Oct 2005	Spaulding, Daniel D. 12355	UWAL Cyperus flavescens L.
TROY000025272	Jefferson	09 Oct 2005	Spaulding, Daniel D. 12355	TROY Cyperus flavescens Linnaeus
UNA00001832	Talladega	_ Aug 1877	Mohr, Charles s.n.	UNA Cyperus flavescens L.
UWAL0003252	Sumter	13 Nov 2006	Keener, Brian R. 3280	UWAL Cyperus flavescens L.
UWAL0017152	Colbert	26 Jun 2014	England, J. Kevin 4988	UWAL Cyperus flavescens Linnaeus
UNA00056331	Geneva	28 Nov 1998	MacDonald, John R. 12461	UNA Cyperus flavescens L.
UWAL0046880	Marshall	07 Oct 1980	Webb, David H. 3580	UWAL Cyperus flavescens L.
UWAL0003251	Shelby	09 Nov 2007	Keener, Brian R. 4025	UWAL Cyperus flavescens L.
TROY000028640	Shelby	09 Nov 2007	Keener, Brian R. 4025	TROY Cyperus flavescens Linnaeus
AUA000021058	Perry	1 Oct 1993	Diamond, Alvin R. 8860	AUA Cyperus Flavescens L.
AUA000024505	Jefferson	9 Oct 2005	Spaulding, Daniel D. 12355	AUA Cyperus Flavescens L.
JSU111963	Calhoun	4 Sep 1994	Spaulding, Daniel D. 6174	JSU Cyperus flavescens Linnaeus
ALNHS00000072	Mobile	27 Jul 1998	Spaulding, Daniel D. 10395	ALNHS Cyperus flavescens L.
JSU111973	Franklin	15 Oct 1975	Whetstone, R. David 7153	JSU Cyperus flavescens Linnaeus
JSU111975	Lawrence	18 Aug 1974	Whetstone, R. David 3887	JSU Cyperus flavescens Linnaeus
UNA00054511	Blount	05 Sep 1998	Keener, Brian R. 1599	UNA Cyperus flavescens L.
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
TROY000051893	Lawrence	06 Aug 2016	England, J. Kevin 6697	TROY Cyperus flavescens Linnaeus
UNA00054304	Blount	11 Jul 1998	Keener, Brian R. 1210a	UNA Cyperus flavescens L.
UNA00001817	St. Clair	23 Oct 1977	Bradshaw, Dwight K. 215	UNA Cyperus flavescens L.
JSU111966	Etowah	18 Oct 1975	Whetstone, R. David 7355	JSU Cyperus flavescens Linnaeus
AUA000027162	Lawrence	8 Jul 2014	England, J. Kevin 5049	AUA Cyperus Flavescens L.
UWAL0056408	Lawrence	11 Nov 2021	England, Kevin J. 12507	UWAL Cyperus flavescens L.
UNA00001852	Tuscaloosa	23 Sep 1979	Williams, John S. 19	UNA Cyperus flavescens L.
AUA000021057	Lee	27 Jul 1959	Pongsuwana, Umpol	AUA Cyperus Flavescens L.
TROY000025448	Geneva	28 Nov 1998	MacDonald, John R. 12461	TROY Cyperus flavescens Linnaeus
UNA00001847	Tuscaloosa	23 Jul 1876	Smith, Eugene A. s.n.	UNA Cyperus flavescens L.
JSU111971	Franklin	15 Oct 1975	Whetstone, R. David 7119	JSU Cyperus flavescens Linnaeus
JSU111968	Etowah	14 Aug 1994	Hodge, Lesley M. 3055	JSU Cyperus flavescens Linnaeus
TROY000028900	Tallapoosa	18 Oct 2006	Barger, T. Wayne 468	TROY Cyperus flavescens Linnaeus
UNA00001852	Tuscaloosa	23 Sep 1979	Williams, John S. 19	UNA Cyperus flavescens L.
JSU111964	Etowah	19 Jun 1994	Hodge, Lesley M. 2651	JSU Cyperus flavescens Linnaeus
UNA00001827	Mobile	_ Aug 1889	Mohr, Charles s.n.	UNA Cyperus flavescens L.
UWAL0033416	Lawrence	06 Aug 2016	England, J. Kevin 6697	UWAL Cyperus flavescens Linnaeus
UNA00001817	St. Clair	23 Oct 1977	Bradshaw, Dwight K. 215	UNA Cyperus flavescens L.
UNA00001837	Montgomery	_ Oct 1874	Smith, Eugene A. s.n.	UNA Cyperus flavescens L.
JSU111967	Etowah	18 Oct 1975	Whetstone, R. David 7355	JSU Cyperus flavescens Linnaeus
UWAL0016833	Mobile	10 Nov 2013	Horne, Howard E. 2474	UWAL Cyperus flavescens Linnaeus
UWAL0057472	Washington	27 May 2023	Horne, Howard H. 5098	UWAL Cyperus flavescens L.
UWAL0017306	Lawrence	08 Jul 2014	England, J. Kevin 5049	UWAL Cyperus flavescens Linnaeus
JSU111978	Talladega	14 Aug 1994	Ballard, J. Mark 4778	JSU Cyperus flavescens Linnaeus
UNA00059849	Etowah	02 Nov 2002	Spaulding, Daniel D. 11662	UNA Cyperus flavescens L.
JSU111970	Franklin	15 Oct 1975	Whetstone, R. David 7153	JSU Cyperus flavescens Linnaeus
UWAL0043002	Baldwin	09 Aug 2003	Larsen, Harry S. 1264	UWAL Cyperus flavescens L.
UWAL0011626	Mobile	27 Aug 2012	Horne, Howard E. 1873	UWAL Cyperus flavescens Linnaeus
ALNHS00004482	Colbert	26 Jun 2014	England, J. Kevin FH-424	ALNHS Cyperus flavescens L.
UNA00001807	Marshall	04 Aug 1980	Meigs, Russell A. 1110	UNA Cyperus flavescens L.
JSU111977	Shelby	12 Oct 1996	Spaulding, Daniel D. 9331	JSU Cyperus flavescens Linnaeus
JSU111976	Mobile	27 Jul 1998	Spaulding, Daniel D. 10395	JSU Cyperus flavescens Linnaeus
UNA00067269	Jefferson	09 Oct 2005	Spaulding, Daniel D. 12355	UNA Cyperus flavescens L.
JSU111972	Franklin	15 Oct 1975	Whetstone, R. David 7153	JSU Cyperus flavescens Linnaeus
JSU111965	Etowah	18 Oct 1975	Whetstone, R. David 7355	JSU Cyperus flavescens Linnaeus
UNA00068751	Shelby	09 Nov 2007	Keener, Brian R. 4025	UNA Cyperus flavescens L.
AUA000021056	Conecuh	21 Aug 1987	Diamond, Alvin R. 3529	AUA Cyperus Flavescens L.
JSU111974	Jackson	14 Oct 1975	Whetstone, R. David 6951	JSU Cyperus flavescens Linnaeus
TROY000043287	Lawrence	08 Jun 2014	England, J. Kevin 5049	TROY Cyperus flavescens Linnaeus
ALNHS00006947	Limestone	10 Sep 2020	Barger, T. Wayne SP#5392	ALNHS Cyperus flavescens L.
UNA00001842	Tuscaloosa	07 Aug 1957	Hancock, Kenneth F. s.n.	UNA Cyperus flavescens L.
JSU111962	Calhoun	15 Jul 1982	Whetstone, R. David 11431	JSU Cyperus flavescens Linnaeus

View a List of All Ecological Communities

For more information, contact: Brian R. Keener, Ph.D.

Data last modified: 11/9/2024

Web Development: The Florida Center for Community Design + Research

A member of the University of South Florida family of PlantAtlas.org sites

Citation Information:

Keener, B.R., A.R. Diamond, T.W. Barger, L.J. Davenport, P.G. Davison, S.L. Ginzbarg, C.J. Hansen, D.D. Spaulding, J.K. Triplett, and M. Woods. 2024. Alabama Plant Atlas. [S.M. Landry and K.N. Campbell (original application development), Florida Center for Community Design and Research. University of South Florida]. University of West Alabama, Livingston, Alabama.

Data, text, and images licensed under a Creative Commons Attribution-NoDerivs 3.0 Unported License.

Cyperus flavescens

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Classification

Citation

Synonyms

Specimens and Distribution