Herbarium Specimen Details

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1987
Determination History
Cyperus alternifolius L.
Locality USA. Florida , Monroe Co. : Key West.
Habitat Disturbed sites and cultivated areas.
Reproductive State Fertile
Collector R. W. Long 2250
with C.R. Broome
Collection Date 12 Feb 1967
Accession Number 79562
Image 79562.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Lake Co. : Bug Springs.
Reproductive State Fertile
Collector R. F. Daubenmire
with J. Daubenmire
Collection Date 07 May 1988
Accession Number 201641
Image 201641.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Broward Co. : Coconut Creek Maple Swamp Natural Area. T48S, R42E, Sec. 8. 26° 22' 60" N 81° 49' 60" W
Reproductive State
Collector P. L. Howell 727
Collection Date 17 Oct 2003
Accession Number 236328
Image 236328.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Miami-Dade Co. : Black Point region. East of SW 87th Avenue opposite 228th Street.
Habitat Edge of a dirt road. Along edge of mangrove swamp.
Reproductive State Fertile
Collector K. A. Bradley 1482
Collection Date 07 Mar 1998
Accession Number 233230
Image 233230.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1990
Determination History
Cyperus alternifolius L.
Locality USA. Florida , Sarasota Co. : Sarasota. From residence at 4529 Perry Ridge. 27° 20' 11" N 82° 31' 50" W
Reproductive State Fertile
Collector unknown
Collection Date s.d.
Accession Number 201161
Image 201161.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Miami-Dade Co. : Chapman Field Park. East end of park, ca. 1.1 mi. E of the intersection of Old Cutler Road and SW 136th Street. 25° 36' 54" N 80° 18' 38" W
Habitat Along edge of a ditch in mangrove swamp.
Reproductive State Fertile
Collector K. A. Bradley 1418
Collection Date 05 Mar 1998
Accession Number 223155
Image 223155.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Hillsborough Co. : "The Kitchen" Nature Preserve, 0.3 mi. W of US 41 on Isabel Avenue, ca. 1.5 mi. SSW of Gibsonton. T30S, R19E, Sec. 34. 27° 51' 13" N 82° 22' 57" W
Description Several large clumps.
Reproductive State
Collector S. Dickman
Collection Date 26 Jan 2006
Accession Number 242294
Image 242294.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Hillsborough Co. : "The Kitchen" Nature Preserve, 0.3 mi. W of US 41 on Isabel Avenue, ca. 1.5 mi. SSW of Gibsonton. T30S, R19E, Sec. 34. 27° 51' 13" N 82° 22' 57" W
Description Several large clumps.
Reproductive State Fertile
Collector S. Dickman
Collection Date 26 Jan 2006
Accession Number 242293
Image 242293.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Orange Co. : Hoffner Avenue (FL 15) ca. 0.1 mi. E of the intersection with Semoran Boulevard (FL 436). T23S, R30E, Sec. 15.
Habitat Escaped to a disturbed vacant lot.
Reproductive State Fertile
Collector S. Myers 50
Collection Date 27 Dec 2000
Accession Number 227321
Image 227321.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1987
Determination History
Cyperus alternifolius L.
Locality USA. Florida , Monroe Co. : Key West.
Habitat Disturbed sites and cultivated areas.
Reproductive State Fertile
Collector R. W. Long
with C.R. Broome
Collection Date 12 Feb 1967
Accession Number 79561
Image 79561.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1987
Determination History
Cyperus alternifolius L.
Locality USA. Florida , Pinellas Co. : Dunedin. Curlew Creek Park. 28° 1' 11" N 82° 46' 18" W
Habitat Riverbank.
Reproductive State Fertile
Collector G. Fleming 3412
Collection Date 02 Apr 1982
Accession Number 164467
Image 164467.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1987
Determination History
Cyperus odoratus L.
Cyperus alternifolius L. - Determined By: Crewz, June 1979
Locality USA. Florida , Hillsborough Co. : Tampa. Hillsborough River near Florida Avenue bridge in Sulphur Springs. 27° 55' 0" N 82° 20' 60" W
Description Rare. Growing in sturdy clumps W of bridge at water's edge. Over 2 m tall.
Reproductive State Fertile
Collector D. Laker
Collection Date 21 Mar 1965
Accession Number 100286
Image 100286.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1987
Determination History
Cyperus alternifolius L. - Determined By: A.A. Will,
Locality USA. Florida , Citrus Co. : On bank of Price River. T19S, R17E, Sec. 30.
Description Common.
Habitat Under Juniperus silicicola [J. virginiana].
Reproductive State Fertile
Collector A.A. Will
Collection Date 07 Apr 1961
Accession Number 35766
Image 35766.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1987
Determination History
Cyperus alternifolius L.
Locality USA. Florida , Hillsborough Co. : West of Town 'N Country Boulevard, S of Jackson Spring Road. 30° 46' 60" N 85° 10' 0" W
Habitat Ditch bank. Freshwater habitat.
Reproductive State
Collector W. Souto
Collection Date 23 Feb 1979
Accession Number 140295
Image 140295.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Pasco Co. : Werner-Boyce Salt Springs State Park. SE side of trail at the culvert, on the bank of the spring run from Brett's "toilet bowl". T25S, R16E, Sec. 20, SE¼ of SE¼.
Habitat Ruderal.
Reproductive State Fertile
Collector C. vanHoek
Collection Date 18 Apr 2003
Accession Number 247800
Image 247800.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Sarasota Co. : Honore Road between Turtle Creek Lane and Box Turtle Circle. 27° 18' 58" N 82° 28' 6" W
Description Herb to 2 m.
Habitat Banks of residential pond.
Reproductive State Fertile
Collector A. R. Franck 694
Collection Date 23 Jun 2008
Accession Number 249792
Image 249792.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Seminole Co. : DeLeon Street and Cress Run, Oviedo. 28° 41' 40" N 81° 12' 15" W
Description Prolific.
Habitat Roadside ditch.
Reproductive State
Collector S. Myers 768
Collection Date 21 Nov 2012
Accession Number 266680
Image 266680.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Hillsborough Co. : Springs near Tampa Armature Works (1910 Ola Avenue), N of downtown. 27° 56' 51" N 82° 27' 30" W
Reproductive State Fertile
Collector S. Dickman
Collection Date 26 Jan 2012
Accession Number 273742
Image 273742.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Martin Co. : Along banks of Danforth Creek, just N of the Martin Downs Boulevard Bridge, Palm City. 27° 10' 22" N 80° 16' 13" W
Reproductive State
Collector E. A. Revuelta
with B. Wolfe
Collection Date 26 Nov 2014
Accession Number 277336
Image 277336.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: R. Carter, 2009
Determination History
Cyperus sp.
Locality Dominican Republic. El Seibo Prov. Ca. 12 km S of Sabana de la Mar. 18° 35' 39" N 69° 32' 12" W
Description Herbaceous, erect, ca. 50 cm high; glumes tramineous.
Habitat In pastures.
Reproductive State Flower
Elevation 50 to m
Collector A. H. Liogier
Collection Date 21 Jan 1972
Accession Number 186647
Image 186647.JPG
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1992
Determination History
Cyperus alternifolius L. - Determined By: S. R. Hill, Mar 1991
Locality Dominica. St. Paul Par. : Archbold Tropical Research Center, Springfield Estate, Imperial highway; roadsides; mostly between entrance gate and concrete bridge below.
Description Local colonial sedge.
Habitat Disturbed slopes.
Reproductive State Flower
Elevation 1200 to ft
Collector S. R. Hill
Collection Date 22 Mar 1991
Accession Number 204021
Image 204021.JPG
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1987
Determination History
Cyperus alternifolius L.
Locality Jamaica. Surrey Co. , St. Andrew Par. : Mona Hotel; Liguanea, suburb of Kingston. 18° 0' 0" N 76° 47' 60" W
Description Stems 4 to 6 ft. tall.
Habitat Garden.
Reproductive State Flower
Elevation 650 to ft
Collector G. R. Cooley
Collection Date 06 Feb 1965
Accession Number 71452
Image 71452.JPG
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1987
Determination History
Cyperus alternifolius L.
Locality Puerto Rico. Ponce Mun. : Caribbean National Forest, El Toro Negro division; along highway 143, 3 mi. E of junction with highway 139; ca. 7 mi. W of junction with highway 149; along road.
Habitat Wet montane forest.
Reproductive State Flower
Collector B. F. Hansen
with R. P. Sauleda, D. K. Sauleda, M. E. Ragan, & J. Melendez
Collection Date 20 Nov 1981
Accession Number 166122
Image 166122.JPG
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, Feb 2017
Determination History
Cyperus alternifolius L.
Locality USA. Florida , Miami-Dade Co. : Along Red Road N of Old Cutler Road. 25° 36' 54" N 80° 18' 38" W
Description To 3 ft. high; involucral bracts numerous.
Habitat In canal, in ca. 6 in. of water in partial sunlight.
Reproductive State Fertile
Collector M. McMahon
Collection Date 03 Apr 1970
Accession Number 290411
Image 290411.JPG
Plant Atlas Link Plant Atlas Citation

Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: B. F. Hansen, 1987
Determination History
Cyperus alternifolius L. - Determined By: Davidse, 1975
Locality Venezuela. Distrito Federal Along Rio Las Caracas above town of Las Caracas. 10° 30' 0" N 66° 55' 0" W
Description 60 cm to 1.8 m tall; stem leafless.
Habitat Edge of river; dry forest.
Reproductive State Flower
Collector T. B. Croat
Collection Date 11 Feb 1973
Accession Number 120028
Image 120028.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb. - Determined By: C. D. Adams, Aug 1983
Locality Mexico. Veracruz , Actopan Mun. : "El Descabezadero", along Río Actopan, 2.7 km W of Chicuasén, 8 km (by air) NW of Actopan. 19° 32' 0" N 96° 41' 0" W
Description Patches, stems 2-2.5 m tall, the naked stems with a tuft of leaves and inflorescences at the top.
Habitat Selva baja caducifolia; riparian vegetation with Salix humboldtiana, Platanus mexicana in small gorge near the huge springs emerging from the walls of the gorge.
Reproductive State Flower
Elevation 400 to m
Collector M. Nee
with S. Avendaño R., R. Ortega, O. & J. Martínez
Collection Date 09 Nov 1981
Accession Number 171816
Image 171816.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , St. Johns Co. : W of Sea View Subdivision, St. Augustine Beach.
Habitat Edge of forested wetlands.
Reproductive State
Collector E. A. Revuelta
Collection Date 26 Oct 2016
Accession Number 294744
Image 294744.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Escambia Co. : N of Gulf Beach Highway, ca. 150 ft. W of the intersection with Brigadier Street, near Pensacola. 30° 23' 15" N 87° 17' 4" W
Description Escaped and persisting.
Habitat Edge of small creek by roadside culvert bulkhead.
Reproductive State Fertile
Collector J. R. Burkhalter
Collection Date 19 May 2012
Accession Number 300440
Image 300440.JPG
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Hillsborough Co. : USF Botanical Garden, Tampa. 27° 56' 51" N 82° 27' 30" W
Description Erect to 2 m, flowers yeloowish.
Habitat Wet site.
Reproductive State
Collector D. Burch 6725
Collection Date 29 May 1973
Accession Number 105174
Image 105174.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Lee Co. : Sanibel Island; at the Island Inn. 26° 26' 56" N 82° 1' 20" W
Description Forming large attractive clumps.
Reproductive State
Collector B. F. Hansen 13124
Collection Date 25 Jul 2006
Accession Number 243654
Image 243654.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Lee Co. : 26° 34' 32" N 81° 54' 56" W
Description Growing in clumps.
Reproductive State
Collector G. R. Cooley 11917
Collection Date 20 Jan 1967
Accession Number 80544
Image 80544.jpg
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Cyperus involucratus
Family Name Cyperaceae
Currently Accepted Name Cyperus involucratus Rottb.
Locality USA. Florida , Hernando Co. : Weeki Wachee State Park. 28° 31' 10" N 82° 34' 29" W
Description Few seen.
Habitat Spring run.
Reproductive State
Collector C. Becker
Collection Date 22 Oct 2019
Accession Number 303208
Image 303208.jpg
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