Carex haydenii - Dewey
Cloud Sedge
Other English Common Names: Hayden's Sedge
Other Common Names: Hayden's sedge
Taxonomic Status: Accepted
Related ITIS Name(s): Carex haydenii Dewey (TSN 39454)
Unique Identifier: ELEMENT_GLOBAL.2.130368
Element Code: PMCYP035S0
Informal Taxonomy: Plants, Vascular - Flowering Plants - Sedge Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Cyperales Cyperaceae Carex
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Carex haydenii
Conservation Status
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NatureServe Status

Global Status: G5
Global Status Last Reviewed: 11Feb1988
Global Status Last Changed: 11Feb1988
Rounded Global Status: G5 - Secure
Nation: United States
National Status: NNR
Nation: Canada
National Status: N5 (02Dec2017)

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Connecticut (SNR), Delaware (SNR), Illinois (S3S4), Indiana (SNR), Iowa (S4), Maine (SNR), Maryland (S1), Massachusetts (S1S2), Michigan (SX), Minnesota (SNR), Missouri (SNR), New Hampshire (SNR), New Jersey (S1), New York (S1S2), North Dakota (S1), Ohio (SH), Pennsylvania (S1S2), Rhode Island (SNR), South Dakota (SNR), Vermont (S4), West Virginia (S1), Wisconsin (SNR)
Canada New Brunswick (S3), Nova Scotia (S1), Ontario (S4), Prince Edward Island (S1), Quebec (S3S4)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Carex haydenii occurs from New Brunswick and Quebec west to Ontario, Minnesota, and North Dakota south to Nebraska, Missouri, Illinois, Indiana, Ohio, Pennsylvania, and Massachusetts (Standley et al. 2002).

Number of Occurrences: > 300

Number of Occurrences with Good Viability/Integrity: Very many (>125)

Environmental Specificity: Moderate to broad.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Carex haydenii occurs from New Brunswick and Quebec west to Ontario, Minnesota, and North Dakota south to Nebraska, Missouri, Illinois, Indiana, Ohio, Pennsylvania, and Massachusetts (Standley et al. 2002).

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States CT, DE, IA, IL, IN, MA, MD, ME, MIextirpated, MN, MO, ND, NH, NJ, NY, OH, PA, RI, SD, VT, WI, WV
Canada NB, NS, ON, PE, QC

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
MA Berkshire (25003), Essex (25009)*, Franklin (25011)*, Hampshire (25015), Middlesex (25017), Norfolk (25021), Plymouth (25023)*, Suffolk (25025)*, Worcester (25027)
MD Garrett (24023)
MI Isabella (26073)*, Midland (26111)*
ND Billings (38007)*, Dunn (38025)*, McKenzie (38053)*
NJ Bergen (34003)*, Mercer (34021)*, Morris (34027), Somerset (34035)*, Sussex (34037), Union (34039)*, Warren (34041)
NY Albany (36001)*, Chenango (36017), Clinton (36019), Essex (36031)*, Franklin (36033), Fulton (36035)*, Hamilton (36041)*, Herkimer (36043)*, Jefferson (36045), Lewis (36049)*, Onondaga (36067)*
PA Bedford (42009), Bucks (42017), Carbon (42025)*, Fulton (42057)*, Lehigh (42077)*, Lycoming (42081)*, Monroe (42089), Montgomery (42091), Pike (42103), Schuylkill (42107)*, Wayne (42127)*
WV Tucker (54093)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
01 Merrimack (01070002)+*, Concord (01070005)+, Middle Connecticut (01080201)+*, Chicopee (01080204)+, Westfield (01080206)+, Charles (01090001)+, Housatonic (01100005)+
02 Upper Hudson (02020001)+*, Sacandaga (02020002)+*, Middle Hudson (02020006)+*, Rondout (02020007)+, Hackensack-Passaic (02030103)+*, Raritan (02030105)+*, Lackawaxen (02040103)+*, Middle Delaware-Mongaup-Brodhead (02040104)+, Middle Delaware-Musconetcong (02040105)+, Lehigh (02040106)+*, Schuylkill (02040203)+, Chenango (02050102)+, Lower West Branch Susquehanna (02050206)+*, Lower Susquehanna-Penns (02050301)+*, Raystown (02050303)+, Conococheague-Opequon (02070004)+*
04 Tittabawassee (04080201)+*, Oneida (04140202)+*, Black (04150101)+, Upper St. Lawrence (04150301)+*, Raquette (04150305)+, Ausable River (04150404)+*, Saranac River (04150406)+
05 Cheat (05020004)+, Youghiogheny (05020006)+
10 Lower Little Missouri (10110205)+*, Knife (10130201)+*
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History Not yet assessed
Help
General Description: Cloud sedge is a large tufted grass-like perennial. The base of the plants are red-brown. Its leaves are strap-like and 3-6 mm wide. Stems 30-115 cm tall are rough edged and have 3-5 cylindrical flower/fruit clusters (spikes) towards their apices. The lower 2-3 spikes are composed of tiny female flowers which mature into fruits. The upper 1-2 spikes are composed of male flowers. Fruits (perigynia) are 1.5-2.8 mm long and have a minute beak at their tips (Standley et al. 2002).
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
Help
U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Argus, G.W., K.M. Pryer, D.J. White and C.J. Keddy (eds.) 1982-1987. Atlas of the Rare Vascular Plants of Ontario. Four parts. National Museum of Natural Sciences, Botany Division, Ottawa. Looseleaf.

  • Deam, C. C. 1940. Flora of Indiana. Division of Forestry, Dept. of Conservation, Indianapolis, Indiana. 1236 pp.

  • Eaton, S.W. and E.F. Schrot. 1987. A flora of the vascular plants of Cattaraugus County, New York. Bull. Buffalo Society Natural Sci. 31: 1-235.

  • Fernald, M.L. 1950. Gray's manual of botany. 8th edition. D. Van Nostrand, New York. 1632 pp.

  • Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York. 910 pp.

  • Holmgren, Noel. 1998. The Illustrated Companion to Gleason and Cronquist's Manual. Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Kartesz, J.T. 1996. Species distribution data at state and province level for vascular plant taxa of the United States, Canada, and Greenland (accepted records), from unpublished data files at the North Carolina Botanical Garden, December, 1996.

  • Mackenzie, K.K. 1915. Notes on Carex VIII. Bull. Torr. Bot. Club 42:405-422.

  • New York Natural Heritage Program. 2010. Biotics database. New York Natural Heritage Program. New York State Department of Environmental Conservation. Albany, NY.

  • Reschke, Carol. 1990. Ecological communities of New York State. New York Natural Heritage Program, New York State Department of Environmental Conservation. Latham, NY. 96 pp. plus xi.

  • Standley, L.A. 1989. Taxonomic revision of the Carex stricta (Cyperaceae) complex in eastern North America. Canadian Journal of Botany 67:1-14.

  • Standley, L.A., J. Cayouette, and L. Bruederle. 2002. Carex Linnaeus sect. Phacocystis Dumortier. Pages 379-401 in Flora of North America Editorial Committee (editors), Flora of North America, North of Mexico, Volume 23, Magnoliophyta: Commelinidae (in part): Cyperaceae. Oxford University Press, New York, NY, USA. 608pp + xxiv.

  • Swink, F., and G. Wilhelm. 1994. Plants of the Chicago Region. Morton Arboretum. Lisle, Illinois.

  • Weldy, T. and D. Werier. 2010. New York flora atlas. [S.M. Landry, K.N. Campbell, and L.D. Mabe (original application development), Florida Center for Community Design and Research http://www.fccdr.usf.edu/. University of South Florida http://www.usf.edu/]. New York Flora Association http://wwws.nyflora.org/, Albany, New York

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