Herbarium Specimen Details

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L.
Locality USA. Florida , Putnam Co. : St. Johns River Water Management District. S of FL 100, 0.5 mi. W of FL 216, ca. 2 mi. W of FL 19. T10S, R26E, Sec. 3.
Description Scattered populations.
Habitat Low-lying dry loamy sands and depressions.
Reproductive State Fertile
Collector C. Slaughter
Collection Date 09 Sep 2008
Accession Number 247322
Image 247322.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L.
Locality USA. Florida , Indian River Co. : Banjo Grove Restoration Area. 2 mi. N of FL 60, ca. 5 mi. NE of intersection FL 60 and FL 512. T30S, R36E, Sec. 0 [?].
Description Infrequent.
Habitat Along levee road in shallow depressions or pothole.
Reproductive State Fertile
Collector C. Slaughter
with D. Hall, T. Miller
Collection Date 01 Oct 2008
Accession Number 247334
Image 247334.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Cyperus aristatus Rottb. - Determined By: Svenson, 24-Dec-1969
Locality USA. Florida , Collier Co. : S end of US 92, Caxambas Drive, Marco Island on the gulf. 25° 54' 39" N 81° 41' 52" W
Habitat Road shoulder, intermixed with shell and gravel, margin of hammock.
Reproductive State Fertile
Collector O. K. Lakela
Collection Date 06 Oct 1965
Accession Number 88670
Image 88670.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb. - Determined By: Lakela,
Locality USA. Florida , Collier Co. : Marco Island, S of US 92 junction near Caxambas Pass. 25° 54' 39" N 81° 41' 52" W
Description Few tufts noted.
Habitat Margin of shell ridge hammock; Lantana, Opuntia, Acanthocereus, Cenchrus myosuroides and other grasses.
Reproductive State Fertile
Collector O. K. Lakela
Collection Date 06 Oct 1965
Accession Number 72834
Image 72834.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L.
Locality USA. Florida , Monroe Co. : Long Key; ca. 100 yards NW of US 1, ca. 0.1 mi. N of radio tower near picnic area in Long Key State Park, ca. 0.8 mi. SW of Layton, ca. 14 mi. SW of Islamorada. T65S, R35E, Sec. 5, SW¼ of SE¼ of NE¼. 24° 48' 52" N 80° 49' 35" W
Habitat Shrubby coastal rock barren.
Reproductive State Fertile
Collector E. L. Bridges
with R.L. Mears
Collection Date 29 Oct 1995
Accession Number 232384
Image 232384.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L.
Locality USA. Florida , Hillsborough Co. : W side of Faulkenburg Road, ca. 0.5 mi. N of junction with FL 60; ca. 3 mi. E of Brandon. T29S, R20E, Sec. 19. 27° 56' 16" N 82° 17' 9" W
Habitat Around artificial pond, with Cyperus surinamensis, C. polystachyos, C. odoratus, Ptilimnium capillaceum, and Juncus dichotomus.
Reproductive State Fertile
Collector R. Mears
Collection Date 26 Apr 1995
Accession Number 216295
Image 216295.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb. - Determined By: J. Popenoe,
Locality USA. Florida , Monroe Co. : Crawl Key, N end.
Reproductive State Fertile
Collector G. N. Avery
Collection Date 10 Jul 1981
Accession Number 191190
Image 191190.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L.
Locality USA. Florida , Monroe Co. : Crawl Key, along the ocean side of US 1, just W of Worth Boulevard. 24° 44' 49" N 80° 58' 49" W
Habitat Coastal rock barren; with Cyperus fuligineus, Evolvulus convolvuloides, Indigofera mucronata var. keyensis, Chamaesyce porteriana, Opuntia triacanthos, Opuntia stricta, Agave decipiens.
Reproductive State Fertile
Collector K. A. Bradley
Collection Date 06 Mar 1998
Accession Number 223169
Image 223169.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus confertus Sw. - Determined By: Beckner, Jan 1971
Cyperus aristatus Rottb. - Determined By: Lakela, 11 Oct 1972
Locality USA. Florida , Monroe Co. : Big Pine Key, SE point. T67S, R30E, Sec. 6.
Description Common.
Habitat Open rocky areas within cactus and scrub hammock.
Reproductive State Fertile
Collector G. N. Avery 1074
Collection Date 18 Nov 1971
Accession Number 101888
Image 101888.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L.
Locality USA. Florida , Collier Co. : Immokalee; edge of Lake Trafford Road at Hall Road. 26° 12' 39" N 81° 48' 24" W
Habitat Ditch.
Reproductive State Fertile
Collector K. A. Bradley
Collection Date 04 Jul 1998
Accession Number 223576
Image 223576.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L.
Locality USA. Florida , Broward Co. : St. Katherine Drexel Catholic Church, 2501 South Post Road, Weston. 26° 6' 1" N 80° 23' 59" W
Habitat On artificial tree islands surrounded by marsh.
Reproductive State Fertile
Collector K. A. Bradley 2784
with S. Carney
Collection Date 14 Oct 2013
Accession Number 280993
Image 280993.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Locality USA. North Carolina , Wake Co. : Mitchells Mill, 2 mi. NE of Rolesville.
Habitat Granite outcrop.
Reproductive State Fertile
Collector A. E. Radford
Collection Date 22 Sep 1966
Accession Number 78363
Image 78363.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus inflexus Muhl.
Cyperus aristatus Rottb. - Determined By: Svenson, 1969
Locality USA. Tennessee , Wilson Co. : Vesta.
Habitat Moist openings in cedar glades.
Reproductive State Fertile
Collector H. K. Svenson
Collection Date 12 Jul 1935
Accession Number 23624
Image 23624.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus granitophilus McVaugh
Locality USA. Georgia , Walton Co. : 1 mi. E of Loganville.
Habitat Shallow soil on flat granite rocks.
Reproductive State Fertile
Collector W. H. Duncan
Collection Date 30 Aug 1940
Accession Number 10805
Image 10805.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Locality USA. Mississippi , Wilkinson Co. : Smith Creek ca. 12 mi. W of Woodville.
Description Frequent.
Habitat Wet sand.
Reproductive State Fertile
Collector K. E. Rogers
with J. R. Watson, Jr.
Collection Date 02 Jul 1972
Accession Number 106734
Image 106734.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1998
Determination History
Cyperus aristatus Rottb. - Determined By: S. R. Hill, Oct 1995
Locality USA. Illinois , Peoria Co. : W bank of Illinois River, Mossville, Spring Bay 7.5' quad. T10N, R8E, Sec. 26, SW¼ of NW¼ of NW¼. 40° 47' 60" N 89° 34' 0" W
Description Rather common tufted annual; stem base purplish-brown.
Habitat Floodplain forest; open area among Acer saccharinum near river; sand; in wet sand.
Reproductive State Flower
Collector S. R. Hill
Collection Date 08 Sep 1995
Accession Number 215645
Image 215645.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1998
Determination History
Cyperus aristatus Rottb.
Locality USA. Virginia , Fairfax Co. : At Cravens Nursery in US 50 junction E of Fairfax Circle.
Habitat Among nursery stock.
Reproductive State Flower
Collector T. R. Bradley
Collection Date 14 Aug 1983
Accession Number 206026
Image 206026.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1998
Determination History
Cyperus aristatus Rottb. - Determined By: S. R. Hill, Oct 1996
Locality USA. Illinois , Cass Co. : Beardstown, vicinity of dug out sand pond W of WalMart shopping center; Beardstown 7.5' quad. T18N, R12W, Sec. 22, SE¼ of NW¼. 40° 1' 11" N 90° 26' 8" W
Description Common.
Habitat Sandy soil; on sandy outwash fan at W side of pond; with Eleocharis obtusa; alo with Fimbristylis spp., Echinochloa, Eragrostis.
Reproductive State Flower
Collector S. R. Hill
Collection Date 05 Sep 1996
Accession Number 219777
Image 219777.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: Reznicek, 2006
Determination History
Cyperus squarrosus L. - Determined By: S. R. Hill, 2006
Locality USA. Illinois , Cass Co. : W of US 67, Illinois River floodplain, NW of shopping center and Wal-Mart store, N of Carp Lane, Beardstown, Beardstown 7.5' quadrangle; Coordinate datum WGS 84/ NAD 83. T18N, R12W, Sec. 22, SW¼ of NE¼ of NW¼. 40° 0' 0" N 90° 0' 0" W
Description Common small tufted annual sedge; culm bases dark reddish-purple.
Habitat Wet sand; ephemeral sand pond (shore), excavated and somewhat degraded; with Fimbristylis vahlii, Eragrostis hypnoides, Lipocarpa micrantha, Fimbristylis autumnalis, Elocharis obtusa, Gratiola neglecta.
Reproductive State Flower
Collector S. R. Hill
Collection Date 23 Aug 2006
Accession Number 281824
Image 281824.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1998
Determination History
Cyperus aristatus Rottb.
Locality USA. Wisconsin , Sawyer Co. : Blaisdell Lake, ca. 6 mi. NNW of Loretta. T40N, R4W, Sec. 19. 45° 52' 60" N 90° 50' 60" W
Habitat SW edge of lake at boat landing.
Reproductive State Flower
Collector B. F. Hansen
Collection Date 13 Aug 1986
Accession Number 206110
Image 206110.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: Reznicek, 2002
Locality USA. Illinois , Williamson Co. : Along abandoned railroad grade (and powerline right-of-way), S side of East Herrin Road; eastern corporate limits of Herrin; Herrin 7.5' quadrangle. Along N edges of Sec. 20, NW¼ of NE¼ of NE¼ of SW¼. 37° 48' 40" N 89° 0' 50" W
Description Locally sommon dwarf tufted annual sedge.
Habitat Intermittently wet depressions in sand, gravel, old cinders; with Dioda teres, Leucospora multifida, Eragrostis minor, Juncus tenuis, Valerianella radiata; in open wet sandy-gravel areas.
Reproductive State Flower
Elevation 400 to ft
Collector S. R. Hill
Collection Date 05 Jun 2002
Accession Number 266877
Image 266877.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus inflexus Muhl.
Cyperus aristatus Rottb.
Locality USA. New Mexico , Socorro Co. : The Mogollon Mountains, on or near the West Fork of the Gila River. 33° 23' 48" N 108° 47' 39" W
Reproductive State Flower
Elevation 7500 to ft
Collector O. B. Metcalfe
Collection Date 08 Sep 1903
Accession Number 23882
Image 23882.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Cyperus inflexus Muhl. - Determined By: Lakela, 1969
Locality USA. Vermont Missisquoi River, Swanton. 45° 0' 0" N 73° 9' 0" W
Habitat Sandy shore.
Reproductive State Flower
Collector C. H. Knowlton
Collection Date 26 Aug 1913
Accession Number 21973
Image 21973.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus inflexus Muhl.
Cyperus aristatus Rottb. - Determined By: Lakela, 1969
Locality USA. New Mexico , Socorro Co. : In the Mogollon Mountains, on or near the West Fork of the Gila River. 33° 23' 48" N 108° 47' 39" W
Reproductive State Flower
Elevation 7500 to ft
Collector O. B. Metcalfe
Collection Date 26 Aug 1913
Accession Number 23623
Image 23623.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus inflexus Muhl.
Cyperus aristatus Rottb. - Determined By: Lakela, 1969
Locality USA. Oregon , Klamath Co. : Lower Williamson River. 42° 42' 0" N 121° 19' 60" W
Reproductive State Flower
Elevation 1510 to m
Collector J. B. Leiberg
Collection Date 13 Aug 1894
Accession Number 23885
Image 23885.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Locality USA. New York , Wayne Co. : Sodus Point. 43° 14' 16" N 77° 3' 41" W
Habitat Sandy shores.
Reproductive State Flower
Collector E. L. Hankenson
Collection Date 20 Aug 1870
Accession Number 23625
Image 23625.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: Reznicek, 2003
Locality USA. Illinois , Will Co. : Channahon, ExxonMobil Refinery property, S of Drummond Road, E of I-55, Channohon, IL 7.5' quad. T34N, R9E, Sec. 27, NW¼ of SE¼ of NW¼. 41° 24' 6" N 88° 11' 16" W
Description Rather common annual sedge.
Habitat Shallow soil over dolomite (Silurian) bedrock; disturbed; mesic dolomite prairie remnant and dried mud of vernal pools with Cyperus spp., Panicum flexile; in dried mud.
Reproductive State Flower
Collector S. R. Hill
Collection Date 26 Aug 2003
Accession Number 270329
Image 270329.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Locality USA. Virginia , Warren Co. : Manassas Run and the Shenandoah River at VA 624, Morgans Ford Landing.
Reproductive State Flower
Collector T. R. Bradley
with Reeves
Collection Date 22 Sep 1981
Accession Number 200050
Image 200050.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Locality USA. Arizona , Pima Co. : Coyote Mountains. 32° 0' 0" N 111° 32' 60" W
Habitat Wet spots along washes.
Reproductive State
Collector L. N. Goodding
Collection Date 02 Aug 1957
Accession Number 24125
Image 24125.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus inflexus Muhl.
Cyperus aristatus Rottb.
Locality USA. Indiana , Porter Co. : Dune Park.
Reproductive State Flower
Collector L. M. Umbach
Collection Date 09 Aug 1908
Accession Number 23883
Image 23883.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Locality USA. Virginia , Fairfax Co. : Scott Run and the Potomac River.
Habitat Rocky and sandy bar.
Reproductive State Flower
Collector T. R. Bradley
with Kelley
Collection Date 23 Sep 1974
Accession Number 128679
Image 128679.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Locality USA. Minnesota , Washington Co. : Afton State Park; shore line of Trout Brook delta at its confluence with Lake St. Croix. T127N, R20W, Sec. 2, NW¼. 44° 54' 10" N 92° 47' 1" W
Reproductive State Flower
Collector G. B. Ownbey
Collection Date 29 Aug 1976
Accession Number 130452
Image 130452.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Locality India. Bihar Village Kurcha; Hazariba.
Habitat Riverbed.
Reproductive State Flower
Collector V. Chandra
with Party
Collection Date 13 Aug 1956
Accession Number 39186
Image 39186.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus aristatus Rottb.
Locality Sri Lanka.
Habitat Dambrilla rock.
Reproductive State Flower
Collector G. R. Cooley
with Siyambalagastenui
Collection Date 14 Jan 1957
Accession Number 1852
Image 1852.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L. - Determined By: L. C. Anderson,
Locality USA. Florida , Calhoun Co. : Blountstown; Parish Lake. 30° 28' 27" N 85° 0' 49" W
Description Locally common erect herb to 13 cm; spikelet scales distichous, the scales less than 3 mm long, the rachis not hidden.
Habitat Disturbed overgrown borrow pit.
Reproductive State Fertile
Collector T. MacClendon
with K. MacClendon, G. Wilder, R. Mears, B. Thomas
Collection Date 15 Jul 2017
Accession Number 296221
Image 296221.jpg
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Cyperus squarrosus
Family Name Cyperaceae
Currently Accepted Name Cyperus squarrosus L.
Locality USA. Florida , Hillsborough Co. : Cypress Creek Nature Preserve, Tampa; parking lot off of Lizard's Tail Lane. 28° 8' 31" N 82° 23' 2" W
Habitat Among concrete pavers in parking lot.
Reproductive State Fertile
Collector S. Dickman
Collection Date 03 Aug 2017
Accession Number 303290
Image 303290.jpg
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