[Specimen details]

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. North Carolina , Washington Co. : Ditch 3.4 mi. SSW of Plymouth.
Reproductive State Fertile
Collector A. E. Radford
Collection Date 17 Aug 1958
Accession Number 15560
Image 15560.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. New Hampshire , Madison Co. : Pea Parridge Pond.
Reproductive State Flower
Collector W. G. Farlow
Collection Date Sep 1911
Accession Number 33996
Image 33996.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. Missouri , Jasper Co. : Near Webb City. 37° 7' 60" N 90° 52' 0" W
Habitat Wet sandy soil, about old mine ponds.
Reproductive State Flower
Collector E. J. Palmer
Collection Date 28 Aug 1927
Accession Number 23873
Image 23873.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: Reznicek, Oct 1997
Locality USA. Illinois , McDonough Co. : Macomb; E side route 1400E at N side of E Fork of La Moine River; Macomb 7.5' quad. T6N, R2W, Sec. 21, N½, N½, NW¼, NW¼. 40° 27' 33" N 90° 40' 18" W
Description Locally common; glumes with dark chestnut color in center.
Habitat Mud of hillside seep near pasture gate; loess and glacial till.
Reproductive State Flower
Collector S. R. Hill
Collection Date 06 Aug 1997
Accession Number 240781
Image 240781.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. Maine , Franklin Co. : Farmington. 44° 40' 14" N 70° 9' 4" W
Habitat Moist roadside.
Reproductive State Flower
Collector C. H. Knowlton
Collection Date 29 Aug 1892
Accession Number 21976
Image 21976.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. Illinois , Champaign Co. : 40° 8' 24" N 88° 11' 57" W
Reproductive State Flower
Collector A. B. Seymour
Collection Date 11 Aug 1884
Accession Number 19277
Image 19277.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr.
Locality USA. Ohio , Shelby Co. : 4 km W of Fort Loramie, 0.6 km N of OH 705, 1.3 km E of OH 364. 40° 20' 50" N 84° 25' 11" W
Habitat Seepage marsh along natural pond margin.
Reproductive State Flower
Collector A. R. Franck
Collection Date 31 Jul 2010
Accession Number 255199
Image 255199.jpg
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Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: Reznicek, 2005
Locality USA. Illinois , Kane Co. : w side of Big Rock Creek, vicinity of creek crossing E of Jericho Road and S of Granart Road, Big Rock. 41° 44' 29" N 88° 31' 51" W
Description Rather common annual bunched sedge.
Habitat Mudflats at pond margin with Phyla, Eleocharis, Scutellaria, Mimulus; secondary forest and disturbed land.
Reproductive State Flower
Collector S. R. Hill
Collection Date 25 Aug 2005
Accession Number 269954
Image 269954.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. Wisconsin , Marquette Co. : Tuttle Lake at SW-most end; 9 mi. N of Montello. T17N, R10E, Sec. 22, SE¼ of SE¼. 43° 47' 29" N 89° 19' 11" W
Habitat Shallow waters of dead arm (Potamogeton, Elodea canadensis).
Reproductive State Flower
Collector H. H. Iltis
with J. Merilainen & G. Mick
Collection Date 21 Sep 1963
Accession Number 125539
Image 125539.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. Wisconsin , Green Lake Co. : Shore of Spring Lake, at the county park. 43° 51' 47" N 89° 1' 5" W
Description Style undivided in its basal third.
Habitat Wet sands.
Reproductive State Flower
Collector T. Underwood
Collection Date 16 Sep 1978
Accession Number 196318
Image 196318.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth - Determined By: Kral,
Locality USA. Virginia , Princess Anne Co. : Back Bay Federal Refuge.
Habitat Muck of brackish marsh.
Reproductive State Flower
Collector R. Kral
Collection Date 08 Oct 1961
Accession Number 43473
Image 43473.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. Virginia , Rappahannock Co. : Near Keyser Run, junction of routes 623 and 614, NW of Rediviva.
Reproductive State Flower
Collector T. R. Bradley
Collection Date 27 Sep 1981
Accession Number 215217
Image 215217.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. Wisconsin , Sawyer Co. : Blaisdell Lake, ca. 6 mi. NNW of Loretta; SW edge of lake at boat landing. T40N, R4W, Sec. 19. 45° 52' 60" N 90° 50' 60" W
Reproductive State Flower
Collector B. F. Hansen
Collection Date 13 Aug 1986
Accession Number 206103
Image 206103.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality USA. Pennsylvania , Erie Co. : Hook Pond, Presque Isle.
Reproductive State Flower
Collector N. P. Ammons
Collection Date 18 Aug 1941
Accession Number 84489
Image 84489.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
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 130455
Image 130455.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth
Locality Canada. Quebec Prov. , Lotbinière Mun. : Comte de Lotbiniere; zone intercotidale du St-Laurent. 46° 30' 0" N 71° 40' 0" W
Reproductive State Flower
Collector F. Marie-Victorin
with Rolland-Germain
Collection Date 24 Aug 1942
Accession Number 8959
Image 8959.jpg
Plant Atlas Link Plant Atlas Citation

Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: B. F. Hansen, 2005
Determination History
Cyperus rivularis Kunth - Determined By: R. M. Myers,
Locality USA. Illinois , McDonough Co. : Pleasant Valley.
Habitat Near sand pits; in a seep on a steep bank.
Reproductive State Flower
Collector R. M. Myers
Collection Date 15 Sep 1974
Accession Number 115925
Image 115925.jpg
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Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr. - Determined By: Reznicek, 14-Oct-2000
Locality USA. Illinois , McHenry Co. : E side IL 31 (FAU 336), opposite Terra Cotta Industries headquarters buildings; within Terra Cotta Industries headquarters buildings; within Terra Cotta Real Estate development, edge of cleared construction entrance. T44N, R8E, Sec. 22, W½ of SE¼, NW¼, NW¼, SE¼. 42° 16' 35" N 88° 17' 7" W
Description Occasional annual sedge.
Habitat Calcareous seep emerging from base of glacial moraine slope; S-facing; glacial gravel and black loamy clay; calcareous seep - fen dominated by Chara, Typha angustifolia, Schoenoplectus spp., Eupatorium maculatum, Carex spp., Solidago ohiensis, Juncus spp.
Reproductive State Flower
Elevation 244 to m
Collector S. R. Hill
Collection Date 19 Sep 2000
Accession Number 239453
Image 239453.jpg
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Cyperus bipartitus
Family Name Cyperaceae
Currently Accepted Name Cyperus bipartitus Torr.
Locality USA. Illinois , Champaign Co. : Champaign, private residence, 1411 Winding Lane. 40° 6' 59" N 88° 14' 36" W
Description Volunteer, many plants in terrarium of plants.
Habitat Outdoor gardens.
Reproductive State
Collector S. R. Hill 32068
Collection Date 22 Sep 1999
Accession Number 278207
Image 278207.jpg
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