Scirpus cyperinus

(L.) Kunth

Cottongrass Bulrush

G5Secure Found in 14 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Least concernIUCN
Identity
Unique IDELEMENT_GLOBAL.2.144209
Element CodePMCYP0Q0F0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
IUCNLeast concern
KingdomPlantae
PhylumAnthophyta
ClassMonocotyledoneae
OrderCyperales
FamilyCyperaceae
GenusScirpus
Other Common Names
Scirpe souchet (FR) woolgrass (EN) Woolgrass (EN) Woolgrass Bulrush (EN)
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.
Conservation Status
Rank MethodExpertise without calculation
Review Date2016-05-13
Change Date1984-09-06
Range Extent Comments
Newfoundland to British Columbia, south to Florida and Texas, with disjunct populations in the Black Hills of South Dakota and Wyoming (Crook County) and the Yellowstone Plateau (Park County).
Ecology & Habitat

Diagnostic Characteristics

The numerous spikes, in an open inflorescence subtended by several leaf-like bracts, and the elongate flower bristles separate this species from other SCIRPUS in our area.
Other Nations (2)
CanadaN5
ProvinceRankNative
British ColumbiaSNANo
OntarioS5Yes
QuebecS5Yes
ManitobaS4Yes
Island of NewfoundlandS3Yes
Nova ScotiaS5Yes
New BrunswickS5Yes
Prince Edward IslandS5Yes
United StatesN5
ProvinceRankNative
TexasSNRYes
KentuckyS5Yes
IllinoisS5Yes
New JerseyS5Yes
NebraskaS1Yes
MississippiS5Yes
OhioS5Yes
MontanaS3Yes
IowaS4Yes
DelawareS5Yes
MarylandSNRYes
OklahomaSNRYes
LouisianaSNRYes
WyomingS2Yes
New YorkS5Yes
VirginiaS5Yes
WashingtonSNRYes
AlabamaSNRYes
TennesseeSNRYes
MissouriSNRYes
IndianaSNRYes
IdahoS3Yes
GeorgiaSNRYes
KansasS2Yes
ConnecticutSNRYes
FloridaS4Yes
MaineSNRYes
MichiganSNRYes
WisconsinSNRYes
South DakotaS4Yes
OregonSNANo
Rhode IslandSNRYes
MassachusettsSNRYes
ArkansasSNRYes
District of ColumbiaSNRYes
MinnesotaSNRYes
West VirginiaS5Yes
VermontS5Yes
North CarolinaS5Yes
PennsylvaniaS5Yes
South CarolinaS5Yes
New HampshireSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (14)
Florida (1)
AreaForestAcres
Alexander Springs CreekOcala National Forest2,954
Louisiana (1)
AreaForestAcres
Saline Bayou W & S River CorridorKisatchie National Forest5,355
Michigan (1)
AreaForestAcres
Norwich Plains Revised Roadless AreaOttawa National Forest4,360
Minnesota (1)
AreaForestAcres
Phantom LakeSuperior National Forest6,521
North Carolina (1)
AreaForestAcres
Dobson KnobPisgah National Forest6,111
Vermont (1)
AreaForestAcres
Bread LoafGreen Mountain and Finger Lakes National Forests1,768
Virginia (3)
AreaForestAcres
Bear CreekJefferson National Forest18,274
Gum RunGeorge Washington National Forest12,620
Kelley MountainGeorge Washington National Forest7,590
Washington (1)
AreaForestAcres
Dry Canyon BreaksColville National Forest4,821
West Virginia (4)
AreaForestAcres
Cranberry AdditionMonongahela National Forest11,123
Cranberry Glades Botanical AreaMonongahela National Forest785
Falls Of Hills CreekMonongahela National Forest6,925
Middle MountainMonongahela National Forest19,020
References (2)
  1. Flora of North America Editorial Committee (FNA). 2002b. Flora of North America north of Mexico. Vol. 23. Magnoliophyta: Commelinidae (in part): Cyperaceae. Oxford Univ. Press, New York. xxiv + 608 pp.
  2. 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.