[Specimen details]

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 2009
Determination History
Cyperus globulosus Aubl.
Locality USA. Florida , Columbia Co. : Along FL 2, halfway between Georgia State line and Baker County line. T2N, R18E, Sec. 607 [?], SE¼. 30° 19' 60" N 82° 16' 60" W
Habitat Roadside ditch in weedy, recently logged pine flatwoods, and around the edges of a small cypress [Taxodium] head.
Reproductive State Fertile
Collector B. F. Hansen 10164
with G. Robinson
Collection Date 11 Jul 1984
Accession Number 181004
Image 181004.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: B. F. Hansen, Oct 2009
Determination History
Cyperus ovularis (Michx.) Torr. - Determined By: S. R. Hill, Jul 1994
Locality USA. South Carolina , Union Co. : C-25, 0.95 mi. W of C-33, near Tyger Ranch Road, W of Buffalo.
Description Occasional.
Habitat Prairie remnant, Iredell soil; at roadside.
Reproductive State
Collector S. R. Hill 25884
Collection Date 07 Jul 1994
Accession Number 212982
Image 212982.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: B. F. Hansen, Oct 2009
Determination History
Cyperus ovularis (Michx.) Torr. cylindricus Elliott Torr.
Locality USA. Louisiana , Ouachita Par. : Along Old Sterlington Road at Jana Drive, Town and Country subdivision, NE of Monroe.
Habitat Ditch.
Reproductive State
Collector D. D. Taylor 4222
Collection Date 16 Jul 1983
Accession Number 217785
Image 217785.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: B. F. Hansen, Oct 2009
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Louisiana , Ouachita Par. : Along Armand Street between 31st and 32nd Streets, Monroe.
Habitat In ditch.
Reproductive State
Collector D. D. Taylor 4135
Collection Date 08 Jul 1983
Accession Number 217117
Image 217117.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: B. F. Hansen, Oct 2009
Determination History
Cyperus ovularis (Michx.) Torr. cylindricus Elliott Torr.
Locality USA. Louisiana , Union Par. : Along Union Par. Rd. 3690, 0.4 mi. E of LA 558, SE of Spearsville and S of Mount Union. T22N, R2W, Sec. 10.
Habitat Fallow field.
Reproductive State
Collector D. D. Taylor 4331
with D.C. Moore
Collection Date 23 Jul 1983
Accession Number 217121
Image 217121.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: B. F. Hansen, Oct 2009
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Georgia , Walker Co. : Pigeon Mountain Wildlife Management Area; near Bluebird Springs deer-check station, NW of LaFayette.
Habitat In ditch beside trail.
Reproductive State
Collector N. C. Coile 2366
with G. Smith, N. MacLeish, M. Garland, D. Coile
Collection Date 19 Aug 1981
Accession Number 197692
Image 197692.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: B. F. Hansen, Oct 2009
Determination History
Cyperus ovularis (Michx.) Torr. cylindricus Elliott Torr.
Locality USA. Louisiana , Union Par. : Along Union Par. Rd. 3690, 0.4 mi. E of LA 558, SE of Spearsville and S of Mount Union. T22N, R2W, Sec. 10.
Habitat Fallow field.
Reproductive State
Collector D. D. Taylor 4331
with D.C. Moore
Collection Date 23 Jul 1983
Accession Number 217675
Image 217675.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Tennessee , Montgomery Co. : Austin Peay State College Campus, Clarksville.
Habitat Dry soil near tennis courts.
Reproductive State
Collector R. E. Shanks 819
Collection Date 11 Sep 1941
Accession Number 86894
Image 86894.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: B. F. Hansen, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Tennessee , Davidson Co. : TN 45 at Cumberland River, S of Madison.
Reproductive State
Collector K. E. Rogers 41745
Collection Date 22 Jun 1968
Accession Number 94413
Image 94413.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr. - Determined By: Radford,
Locality USA. North Carolina , Warren Co. : Lees Branch, 0.8 mi. W of Elberon.
Habitat Millpond and swamp, adjacent to rich woods.
Reproductive State
Collector R. C. Bell 4262
Collection Date 26 Jul 1956
Accession Number 15621
Image 15621.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr. - Determined By: P. Genelle & G. Fleming,
Locality USA. Mississippi , Oktibbeha Co. : 7 mi. N of Starkville; bordering floodplain of Trim Cane Creek.
Description Common.
Habitat Dry, grassy slope; calcareous soil.
Reproductive State
Collector J. D. Ray, Jr. 6735
Collection Date 09 Jul 1956
Accession Number 118228
Image 118228.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr. - Determined By: P. Genelle & G. Fleming,
Locality USA. Mississippi , Oktibbeha Co. : Ca. 8 mi. W of Starkville; Flatwoods Region.
Description Local.
Habitat Secondary pine-deciduous woods; sandy-clay soil over impervious soil; in railroad ballast.
Reproductive State
Collector J. D. Ray, Jr. 8220
Collection Date 20 Jun 1957
Accession Number 118226
Image 118226.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr. - Determined By: P. Genelle & G. Fleming,
Locality USA. Mississippi , Newton Co. : Black Prairie Region, 4 mi. S of Lawrence.
Description Frequent.
Habitat Along old field margin; margin of shortleaf pine plantation.
Reproductive State
Collector J. D. Ray, Jr. 5347
with G.R. Cooley
Collection Date 12 Jun 1957
Accession Number 118229
Image 118229.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus rivularis Kunth
Cyperus ovularis (Michx.) Torr. - Determined By: J. D. Ray,
Locality USA. Mississippi , Lowndes Co. : In Black Prairie region, 9 mi. E of State College.
Habitat Post oak ridge.
Reproductive State
Collector J. D. Ray, Jr. 1554
Collection Date 27 Jun 1955
Accession Number 17353
Image 17353.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Mississippi , Lee Co. : 2 mi. S of Tupelo; Black Prairie region.
Habitat Dry calcareous slope.
Reproductive State
Collector J. D. Ray, Jr. 5869
Collection Date 31 Aug 1956
Accession Number 18721
Image 18721.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Mississippi , Lee Co. : In Black Prairie region, 3 mi. S of Tupelo.
Habitat Calcareous slope.
Reproductive State
Collector J. D. Ray, Jr. 5869
Collection Date 31 Aug 1955
Accession Number 41145
Image 41145.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr. - Determined By: L. C. Temple,
Locality USA. Mississippi , Leake Co. : In Yockanookany River area on MS 16, 2.2 mi. E of Natchez Trace.
Habitat Lowland.
Reproductive State
Collector L. C. Temple 9448
Collection Date 22 Jun 1968
Accession Number 163085
Image 163085.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr. - Determined By: P. Genelle & G. Fleming,
Locality USA. Mississippi , De Soto Co. : Hurricane Creek, 5 mi. W of Hernando.
Description Frequent; leaf glaucescent below.
Habitat On sandy ridge; alluvial bottom.
Reproductive State
Collector J. D. Ray, Jr. 4978
with G.R. Cooley
Collection Date 04 Jun 1957
Accession Number 118227
Image 118227.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Mississippi , Attala Co. : W of Kosciusko.
Habitat Dry pine and oak barrens.
Reproductive State
Collector C. A. Weatherby 6296
with U.F. Weatherby
Collection Date 17 May 1933
Accession Number 23938
Image 23938.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Louisiana , Webster Par. : Along Webster Par. Rd. 246 ca. 3 mi. SE of Shangaloo. T22N, R9W, Sec. 12.
Description Infrequent.
Habitat In pine forest.
Reproductive State
Collector C. M. Allen 8894
with K. Vincent
Collection Date 03 Jun 1979
Accession Number 164057
Image 164057.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Louisiana , Vernon Par. : 4.8 mi. SE of Leesville.
Habitat Open, grassy, mixed wood; sandy soil.
Reproductive State
Collector G. R. Cooley 3746
with L.J. Brass
Collection Date 25 Apr 1955
Accession Number 1661
Image 1661.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Louisiana , Vernon Par. : 3 mi. SW of Anacoco.
Habitat In open pasture.
Reproductive State
Collector G. R. Cooley 3939
with L.J. Brass
Collection Date 27 Apr 1955
Accession Number 10801
Image 10801.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Louisiana , De Soto Par. : Ca. 2.5 mi. E of Stanley; Logansport Quad. T11N, R14W, Sec. 7.
Description Infrequent.
Habitat In pine woods along unmarked gravel road.
Reproductive State
Collector C. M. Allen 8588
with K. Vincent
Collection Date 21 Aug 1978
Accession Number 153966
Image 153966.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Louisiana , Caddo Par. : Off LA 2 ca. 5 mi. S of Vivian.
Description Infrequent.
Habitat Along disturbed sandy roadside of oilwell road in pine forest.
Reproductive State
Collector C. M. Allen 8565
with K. Vincent
Collection Date 20 Aug 1978
Accession Number 153978
Image 153978.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Louisiana , Caddo Par. : Along Houston-Rodessa Road ca. 1.3 mi. NW of Houston. T22N, R15W, Sec. 14.
Description Frequent.
Habitat In pine forest.
Reproductive State
Collector C. M. Allen 8960
with K. Vincent
Collection Date 04 Jun 1979
Accession Number 153845
Image 153845.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. District of Columbia Rock Creek.
Reproductive State
Collector P. Dowell 1611
Collection Date 26 Jul 1902
Accession Number 23948
Image 23948.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Arkansas , Saline Co. : Post Office Benton.
Description Common.
Habitat Moist low areas.
Reproductive State
Elevation 290 to ft
Collector D. Demaree 37699
Collection Date 28 Jul 1955
Accession Number 40699
Image 40699.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Arkansas , Monroe Co. : Post Office Brinkley.
Description Very common.
Habitat In low regions in rice belt.
Reproductive State
Elevation 220 to ft
Collector D. Demaree 37793
Collection Date 04 Aug 1955
Accession Number 42987
Image 42987.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Arkansas , Conway Co. : Top of Petit Jean Mountain; Petit Jean State Park; Post Office Morrilton.
Reproductive State
Elevation 1050 to ft
Collector D. Demaree 40348
Collection Date 31 Jul 1958
Accession Number 43156
Image 43156.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood
Locality USA. Kentucky , Pulaski Co. : Bobtown Quadrangle, near Woodstock, 2.4 km E on Ocala Road from junction with KY 39, N of Hazeldell Church of Christ.
Description Infrequent.
Habitat Seasonally wet upland woods; barren wet meadow; associates-Carex destucacea, Rhynchospora globularis, Rhynchospora capitellata, Scleria pauciflora.
Reproductive State
Collector J. Richard Abbott
with R.L. Thompson, E. FitzGerald
Collection Date 21 Sep 1991
Accession Number 217297
Image 217297.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: R. Carter, 2009
Determination History
Cyperus retrorsus Chapm.
Cyperus x plankii - Determined By: R. Carter,
Locality USA. Texas , Smith Co. : Along highway 2908, 0.25 mi. E of junction with TX 271, just S of Harris Creek; ca. 11 mi. N of Tyler. 32° 21' 5" N 95° 18' 4" W
Reproductive State Flower
Collector R. P. Sauleda
with D. K. Sauleda
Collection Date 12 Sep 1981
Accession Number 177164
Image 177164.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: B. F. Hansen, Oct 2009
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Kentucky , Hopkins Co. : Along KY 109, 5.7 mi. N of Beulah; 3.2 mi. S of Providence.
Reproductive State Flower
Collector B. F. Hansen
Collection Date 28 Jul 1986
Accession Number 205925
Image 205925.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: B. F. Hansen, Oct 2009
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Virginia , Northumberland Co. : Along route 666 just E of route 731 NE of Remo.
Habitat Roadside and field.
Reproductive State Flower
Collector D. L. Shipp
with Advanced Plant Taxonomy
Collection Date 13 Sep 1981
Accession Number 204738
Image 204738.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Virginia , Princess Anne Co. : Virginia Beach.
Habitat Mixed woods.
Reproductive State Flower
Collector M. L. Fernald
with L. Griscom
Collection Date 24 Sep 1933
Accession Number 23937
Image 23937.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: Reznicek, Oct 1998
Locality USA. Illinois , Marion Co. : Salem, NW quadrant of junction US 50 and I-57. T2N, R2E, Sec. 9, SW¼. 38° 37' 37" N 88° 56' 44" W
Description Occasional perennial.
Habitat Weedy crop field margin with Festuca; in landscape gravel, or disturbed ground; MacDonald's Restaurant and vicinity.
Reproductive State Flower
Collector S. R. Hill
Collection Date 23 Jul 1998
Accession Number 283703
Image 283703.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Virginia , Norfolk Co. : Near N landing.
Habitat Dry roadside.
Reproductive State Flower
Collector M. L. Fernald
with L. Griscom
Collection Date 22 Sep 1933
Accession Number 23936
Image 23936.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. New Jersey , Cape May Co. : Cape May.
Habitat Dry, sandy soil.
Reproductive State Flower
Collector L. Griscom
Collection Date 20 Sep 1919
Accession Number 35039
Image 35039.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Locality USA. Maryland , Prince George's Co. : Hyattsville.
Reproductive State Flower
Collector P. Dowell
Collection Date 13 Aug 1904
Accession Number 35040
Image 35040.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr. sphaericus Boeck.
Locality USA. Maryland , Calvert Co. : Scientists' Cliffs; district number 1.
Habitat Dry neglected field.
Reproductive State Flower
Collector F. C. Seymour
Collection Date 27 Jul 1956
Accession Number 19401
Image 19401.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) Alph. Wood - Determined By: R. Carter, 1990
Determination History
Cyperus ovularis (Michx.) Torr.
Cyperus ovularis (Michx.) Torr. sphaericus Boeck.
Locality USA. Oklahoma , Payne Co. : R Bowen farm, 17 mi. SW of Stillwater. 36° 6' 3" N 97° 3' 40" W
Habitat Sandy clay soil.
Reproductive State Flower
Collector E. B. Byler
Collection Date 21 Jun 1944
Accession Number 30169
Image 30169.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus echinatus
Family Name Cyperaceae
Currently Accepted Name Cyperus echinatus (L.) A. W. Wood
Locality USA. South Carolina , Lexington Co. : Intersection of Chris Drive and Leaphart Road, West Columbia. 33° 59' 17" N 81° 6' 23" W
Habitat Recently cleared powerline easement.
Reproductive State Fertile
Elevation 90 to m
Collector K. A. Bradley
Collection Date 01 Sep 2015
Accession Number 295543
Image 295543.jpg
Plant Atlas Link Plant Atlas Citation