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Eriophorum chamissonis

C.A. Mey.

Russet Cotton-grass

G5Secure Found in 35 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.131863
Element CodePMCYP0A060
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumAnthophyta
ClassMonocotyledoneae
OrderCyperales
FamilyCyperaceae
GenusEriophorum
Synonyms
Eriophorum chamissonis var. chamissonis
Other Common Names
Chamisso's Cottongrass (EN) Chamisso's cottongrass (EN) Linaigrette de Chamisso (FR)
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.
Taxonomic Comments
This is the record for Eriophorum chamissonis in the narrow sense, not including E. russeolum and E. altaicum var. neogaeum, following Kartesz (1994 and 1999). Flora of North America (2002) lumps E. russeolum and E. altaicum var. neogaeum into a broader E. chamissonis.
Conservation Status
Rank MethodExpertise without calculation
Review Date2016-05-13
Change Date1986-02-19
Ecology & Habitat

Diagnostic Characteristics

From CNHP Wetland Guide 2012: Main Characteristics:
Colonial from long creeping rhizomes
Leaves filiform, 3-angled, top 1-2 leaf sheaths bladeless
Spikelet solitary, erect, globose in fruit
Scales black to purple, obovate, 4-20 mm, margins white, apex blunt
Perianth bristles 10 or more, red-brown to cinnamon, smooth
Achenes oblong-obovoid, 2-2.7 mm, as wide as long, apex ending abruptly into point

Habitat

This species is found in peat, bogs, muskegs, and marshes, at elevations ranging from 0 to 3,000 meters (Ball and Wujek, 2020).
Palustrine Habitats
HERBACEOUS WETLANDBog/fen
Other Nations (2)
CanadaNNR
ProvinceRankNative
SaskatchewanS4Yes
LabradorSNRYes
ManitobaSNRYes
AlbertaSNRYes
OntarioSNRYes
British ColumbiaS5Yes
Island of NewfoundlandSNRYes
United StatesNNR
ProvinceRankNative
WyomingSNRYes
IdahoSNRYes
North DakotaS2Yes
ColoradoS3Yes
MontanaS4Yes
WisconsinSNRYes
OregonS2Yes
WashingtonSNRYes
AlaskaSNRYes
MinnesotaSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (35)
Alaska (30)
AreaForestAcres
Behm IslandsTongass National Forest4,777
Bering LakeChugach National Forest965,076
ChichagofTongass National Forest555,858
Chilkat-West Lynn CanalTongass National Forest199,772
Chugach-12Chugach National Forest8,116
Chugach-13Chugach National Forest13,337
Chugach-8Chugach National Forest21,559
Copper River WetlandsChugach National Forest85,972
Douglas IslandTongass National Forest28,065
East MitkofTongass National Forest8,795
EudoraTongass National Forest195,022
Fidalgo-GravinaChugach National Forest257,968
Freshwater BayTongass National Forest44,933
Game CreekTongass National Forest54,469
GravinaTongass National Forest37,381
Hoonah SoundTongass National Forest79,764
Juneau UrbanTongass National Forest101,581
Juneau-Skagway IcefieldTongass National Forest1,187,268
KekuTongass National Forest10,869
LindenbergTongass National Forest25,855
Mansfield PeninsulaTongass National Forest54,991
ManzanitaTongass National Forest8,401
North KruzofTongass National Forest33,146
Sheridan GlacierChugach National Forest224,683
South KruzofTongass National Forest55,193
SpiresTongass National Forest533,746
Taku-SnettishamTongass National Forest664,928
Upper SitukTongass National Forest16,789
Windham-Port HoughtonTongass National Forest161,952
Yakutat ForelandsTongass National Forest323,648
Montana (1)
AreaForestAcres
Lolo CreekLolo National Forest14,335
Oregon (1)
AreaForestAcres
TahkenitchSiuslaw National Forest5,799
Washington (3)
AreaForestAcres
Long SwampOkanogan National Forest66,344
Mt. Baker NorthMt Baker-Snoqualmie National Forest16,873
Rugged RidgeOlympic National Forest4,358
References (3)
  1. Ball, P.W., and D.E. Wujek. 2020. Flora of North America: <i>Eriophorum chamissonis</i>. Accessed: September 14, 2022. http://floranorthamerica.org/Eriophorum_chamissonis
  2. 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.
  3. 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.