Cyperus squarrosus

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

Species Distribution Map
Family:CYPERACEAE
Species:Cyperus squarrosus L.
Common Name:Awned Flatsedge
Habitat:Disturbed wet soils and river banks.
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Annual
Category:Vascular
USDA Symbol:**
Plant Notes:**
Taxonomic Notes:**
Status:Native, OBL (NWI), G5 (Global Rank)
References:**

** Not applicable or data not available.

Classification

FamilyCYPERACEAE - Sedge family
Genus Cyperus
Species Cyperus squarrosus L. - Awned Flatsedge

Citation

Citation Cyperus squarrosus Linnaeus, Cent. Pl. II 6–7. 1756.
Basionym: **
Type: INDIA: "India orientalis", without data, Koenig s.n. (lectotype: LINN 70.8 (right-hand specimen); isolectotype: S-LINN G-6816). Lectotypified by J. Kern, Blumea 10: 642. 1960.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Chlorocyperus inflexus Chlorocyperus inflexus (Muhlenberg) Palla, Allg. Bot. Z. Syst. 17(Beih.): 6. 1911.Cyperus inflexus Muhlenberg 1817. 
Cyperus aristatus var. boeckeleri Cyperus aristatus Rottbøll, var. boeckeleri Cavara, Atti Ist. Bot. Univ. Pavia, ser. 2. 5(2): 26. 1899.  
Cyperus aristatus var. falciculosus Cyperus aristatus Rottbøll, var. falciculosus (Liebmann) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 505. 1936.Cyperus falciculosus Liebmann 1850. 
Cyperus aristatus var. inflexus Cyperus aristatus Rottbøll, var. inflexus (Muhlenberg) Kükenthal, in Engler, Pflanzenr. 4(Heft 101): 504. 1936.Cyperus inflexus Muhlenberg 1817 
Cyperus aristatus var. runyonii Cyperus aristatus Rottbøll, var. runyonii O'Neill, Rhodora 44: 56. 1942. TEXAS: Kenedy Co.: Los Norias, s.d., Runyon 1933 (holotype: LCU; isotypes: GH, US).
Cyperus brownei Cyperus brownei Roemer & Schultes, Syst. Veg. 2: 228. 1817.Cyperus uncinatus R. Brown 1810, non Poiret 1806. 
Cyperus falciculosus Cyperus falciculosus Liebmann, Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afd., ser. 5. 2: 204. 1850. MEXICO: Veracruz: Near Río de Antigua, Feb 1841, Liebmann 14358 (holotype: C; isotype: B).
Cyperus purshii Cyperus purshii Roemer & Schultes, Syst. Veg. 2: 177. 1817.Cyperus uncinatus Pursh 1814, non Poiret 1806, nec R. Brown 1810. 
Cyperus uncinatus Cyperus uncinatus R. Brown, Prodr. 215. 1810, non Poiret 1806.  
Cyperus uncinatus Cyperus uncinatus Pursh, Fl. Amer. Sept. 50. 1814, non Poiret 1806, nec R. Brown 1810.  
Dichostylis aristata Dichostylis aristata Palla, Bot. Jahrb. Syst. 10: 296. 1888, nom. illegit.Cyperus aristatus Rottbøll 1772, nom. illegit.; Scirpus intricatus Linnaeus 1771.. 
Isolepis echinulata Isolepis echinulata Kunth, Enum. Pl. 2: 205. 1837. VENEZUELA: Cumana, 1798, Humboldt & Bonpland s.n. (holotype: B).
Mariscus squarrosus Mariscus squarrosus (Linnaeus) C. B. Clarke, in Hooker f., Fl. Brit. India 6: 623. 1893.Cyperus squarrosus Linnaeus 1756. 
Pycreus squarrosus Pycreus squarrosus (Linnaeus) Nees von Esenbeck, Linnaea 9: 283. 1834.Cyperus squarrosus Linnaeus 1756. 
Scirpus capitatus Scirpus capitatus Burman f., Fl. Indica 21. 1768, non Linnaeus 1753. INDIA
Scirpus intricatus Scirpus intricatus Linnaeus, Mant. Pl. 2: 182. 1771. SOUTH AFRICA: Cape Prov.: Without data (lectotype: LINN 71.50). Lectotypified by C. B. Clarke, J. Linn. Soc., Bot. 30: 313. 1894.
Scirpus lappaceus Scirpus lappaceus Lamarck, Tabl. Encycl. 1: 139. 1791. INDIA
Cyperus aristatus Cyperus aristatus Rottbøll, Descr.Pl. Rar. 22. 1772, nom. illegit.Scirpus intricatus Burman f. 1768. 
Cyperus inflexus Cyperus inflexus Muhlenberg, Descr. Gram. 16. 1817. PENNSYLVANIA: Without data, Muhlenberg Herb. 27 (holotype: PH; isotype: B-W).

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: Blount, DeKalb, Etowah, Franklin, Greene, Houston, Jackson, Jefferson, Lawrence, Lee, Limestone, Marengo, Marshall, Mobile, Montgomery, Morgan

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 2022 - 2022

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
UNA00059342 Jefferson 19 Jun 2002 Spaulding, Daniel D.
11420		 UNA
Cyperus squarrosus L.
JSU110582 Jackson 5 Aug 1994 Whetstone, R. David
s.n.		 JSU
Cyperus squarrosus Linnaeus
AUA000038272 Morgan 10 Jun 2017 England, J. Kevin
8019		 AUA
Cyperus Squarrosus L.
TROY000025507 Houston 10 Sep 1994 MacDonald, John R.
7656		 TROY
Cyperus squarrosus Linnaeus
AUA000027168 Mobile 28 Jun 2014 Horne, Howard E.
2601		 AUA
Cyperus Squarrosus L.
JSU110578 Franklin 18 Sep 1994 Spaulding, Daniel D.
6456		 JSU
Cyperus squarrosus Linnaeus
JSU110573 DeKalb 14 Oct 1975 Whetstone, R. David
7470		 JSU
Cyperus squarrosus Linnaeus
AUA000021178 Morgan 6 Jul 2003 Spaulding, Daniel D.
11981		 AUA
Cyperus Squarrosus L.
TROY000046099 Greene 07 Nov 2010 Keener, Brian R.
6281		 TROY
Cyperus squarrosus Linnaeus
JSU110583 Marshall 30 Aug 1992 Spaulding, Daniel D.
2771		 JSU
Cyperus squarrosus Linnaeus
UNA00063006 Morgan 06 Jul 2003 Spaulding, Daniel D.
11981		 UNA
Cyperus squarrosus L.
JSU110577 Etowah 3 Sep 1994 Hodge, Lesley M.
3433		 JSU
Cyperus squarrosus Linnaeus
UWAL0002342 Greene 07 Aug 2008 Spaulding, Daniel D.
13048		 UWAL
Cyperus squarrosus L.
ALNHS00007059 Limestone 10 Sep 2020 Barger, T. Wayne
SP#5406		 ALNHS
Cyperus squarrosus L.
UWAL0057479 Mobile 17 Sep 2022 Horne, Howard H.
5076		 UWAL
Cyperus squarrosus L.
AUA000021177 Lee 7 Sep 1987 Diamond, Alvin R.
3570		 AUA
Cyperus Squarrosus L.
JSU110585 Morgan 15 Sep 1996 Spaulding, Daniel D.
9184		 JSU
Cyperus squarrosus Linnaeus
AUA000027155 Greene 18 Aug 2013 Spaulding, Daniel D.
13846		 AUA
Cyperus Squarrosus L.
UWAL0003276 Morgan 06 Jul 2003 Spaulding, Daniel D.
11981		 UWAL
Cyperus squarrosus L.
JSU110575 Etowah 24 Sep 1995 Hodge, Lesley M.
4368		 JSU
Cyperus squarrosus Linnaeus
JSU110581 Jackson 21 Sep 1997 Spaulding, Daniel D.
10056		 JSU
Cyperus squarrosus Linnaeus
JSU110574 DeKalb 14 Oct 1975 Whetstone, R. David
7470		 JSU
Cyperus squarrosus Linnaeus
UWAL0011727 Greene 07 Nov 2010 Keener, Brian R.
6281		 UWAL
Cyperus squarrosus Linnaeus
ALNHS00006661 Montgomery 31 Jul 2019 Barger, T. Wayne
SP#4741		 ALNHS
Cyperus squarrosus L.
UWAL0039960 Montgomery 09 Jul 2017 Diamond, Alvin R.
27872		 UWAL
Cyperus squarrosus L.
JSU110576 Etowah 27 Aug 1994 Hodge, Lesley M.
3249		 JSU
Cyperus squarrosus Linnaeus
UNA00056442 Marengo 13 Oct 1908 Harper, Roland M.
124		 UNA
Cyperus squarrosus L.
UWAL0003275 Lawrence 04 Oct 2008 England, J. Kevin
1344		 UWAL
Cyperus squarrosus L.
UWAL0039404 Marshall 20 Jun 2017 Webb, David H.
8445		 UWAL
Cyperus squarrosus L.
UNA00054301 Blount 11 Jul 1998 Keener, Brian R.
1208		 UNA
Cyperus squarrosus L.
ALNHS00008297 Franklin 18 Jul 2023 Barger, T. Wayne
SP#6110		 ALNHS
Cyperus squarrosus L.
TROY000025283 Morgan 06 Jul 2003 Spaulding, Daniel D.
11981		 TROY
Cyperus squarrosus Linnaeus
UWAL0038733 Lawrence 01 Sep 2018 England, J. Kevin
9408		 UWAL
Cyperus squarrosus Linnaeus
JSU110579 Jackson 31 Oct 1998 Brodeur, Kristin R.
oct 31 1998		 JSU
Cyperus squarrosus Linnaeus
TROY000045583 Montgomery 09 Jul 2017 Diamond, Alvin R.
22872		 TROY
Cyperus squarrosus Linnaeus
UNA00073778 Greene 18 Aug 2013 Spaulding, Daniel D.
13846		 UNA
Cyperus squarrosus L.
ALNHS00008298 Franklin 18 Jul 2023 Barger, T. Wayne
SP#6110		 ALNHS
Cyperus squarrosus L.
TROY000044564 Greene 07 Aug 2008 Spaulding, Daniel D.
13048		 TROY
Cyperus squarrosus Linnaeus
TROY000025282 Jefferson 19 Jun 2002 Spaulding, Daniel D.
11420		 TROY
Cyperus squarrosus Linnaeus
JSU110584 Marshall 9 Aug 1992 Spaulding, Daniel D.
2597		 JSU
Cyperus squarrosus Linnaeus
JSU110580 Jackson 18 Sep 1998 Brodeur, Kristin R.
1403		 JSU
Cyperus squarrosus Linnaeus
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