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Home/Species/ Giant Horsetail

Equisetum telmateia

Ehrh.

Giant Horsetail

G5Secure Found in 75 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Least concernIUCN
Identity
Unique IDELEMENT_GLOBAL.2.145046
Element CodePPEQU010A0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
IUCNLeast concern
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumSphenophyta
ClassEquisetopsida
OrderEquisetales
FamilyEquisetaceae
GenusEquisetum
Other Common Names
giant horsetail (EN) Prêle géante (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.
Conservation Status
Rank MethodExpertise without calculation
Review Date2017-09-12
Change Date2002-08-02
Edition Date2002-08-02
Edition AuthorsMaybury, K.
Rank Reasons
Occurs in Europe, southwestern Asia, and north Africa (the typical variety) and along the western coast of North America (var. braunii), where common.
Ecology & Habitat
Other Nations (2)
CanadaN5
ProvinceRankNative
British ColumbiaS5Yes
United StatesNNR
ProvinceRankNative
MichiganSXYes
WashingtonSNRYes
IdahoSNRYes
CaliforniaSNRYes
OregonSNRYes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (75)
California (24)
AreaForestAcres
Bear MountainLos Padres National Forest913
Black ButteLos Padres National Forest5,116
Castle Crags AShasta-Trinity National Forest113
ChanchelullaShasta-Trinity National Forest3,915
ChinquapinShasta-Trinity National Forest22,040
Cow CreekShasta-Trinity National Forest22,627
Dry LakesLos Padres National Forest17,043
GriderKlamath National Forest10,647
KangarooKlamath National Forest40,617
LaddCleveland National Forest5,300
Lake EleanorShasta-Trinity National Forest397
Little French CShasta-Trinity National Forest11,529
Malduce BuckhornLos Padres National Forest14,177
MatilijaLos Padres National Forest5,218
North Fork SmithSix Rivers National Forest37,898
Orleans Mtn. BSix Rivers National Forest17,183
Pilot CreekSix Rivers National Forest9,192
Slate Mtn.Sequoia National Forest12,299
TrabucoCleveland National Forest23,341
UnderwoodSix Rivers National Forest6,591
UnderwoodShasta-Trinity National Forest3,046
WaterhouseStanislaus National Forest4,394
West GirardShasta-Trinity National Forest37,516
White LedgeLos Padres National Forest18,632
Idaho (2)
AreaForestAcres
Bear CreekCaribou-Targhee National Forest118,582
North Lochsa SlopeNez Perce-Clearwater National Forest117,662
Oregon (26)
AreaForestAcres
Bull Of The WoodsMt. Hood National Forest8,843
Castle Rock AppendageUmpqua National Forest4,649
Cougar BluffUmpqua National Forest5,574
Drift CreekSiuslaw National Forest6,333
EagleMt. Hood National Forest16,841
ElkhornWillamette National Forest9,380
FairviewUmpqua National Forest7,417
French Pete (a)Willamette National Forest1,668
Gordon MeadowsWillamette National Forest9,463
Hebo 1aSiuslaw National Forest13,930
HellholeUmatilla National Forest65,679
LarchMt. Hood National Forest12,961
Limpy RockUmpqua National Forest6,782
Mclennon MountainWillamette National Forest8,085
Medicine Creek AppendageUmpqua National Forest745
Menagerie (rooster Rock)Willamette National Forest374
Mt. HagenWillamette National Forest6,406
North KalmiopsisSiskiyou National Forests91,560
Roaring RiverMt. Hood National Forest27,316
Salmon - HuckleberryMt. Hood National Forest17,570
Shasta CostaSiskiyou National Forests14,420
Smith UmpquaSiuslaw National Forest7,622
South KalmiopsisSiskiyou National Forests104,477
TenmileSiuslaw National Forest10,818
Umpqua SpitSiuslaw National Forest2,090
Wind CreekMt. Hood National Forest5,438
Texas (1)
AreaForestAcres
Big CreekNational Forests in Texas1,447
Washington (22)
AreaForestAcres
Boulder RiverMt Baker-Snoqualmie National Forest32,563
Devils GulchWenatchee National Forest24,419
Dixon MountainGifford Pinchot National Forest6,339
Eagle RockMt Baker-Snoqualmie National Forest34,064
Glacier Peak JMt Baker-Snoqualmie National Forest26,482
Glacier Peak KMt Baker-Snoqualmie National Forest47,269
Glacier Peak LMt Baker-Snoqualmie National Forest14,084
Green MountainOlympic National Forest4,617
Higgins MountainMt Baker-Snoqualmie National Forest13,185
Jefferson RidgeOlympic National Forest6,512
Jupiter RidgeOlympic National Forest10,148
LightningOlympic National Forest7,179
Madison CreekOlympic National Forest1,223
Mt. Baker MaMt Baker-Snoqualmie National Forest24,847
Mt. Baker Noisy - DiobsudMt Baker-Snoqualmie National Forest56,039
Mt. Baker NorthMt Baker-Snoqualmie National Forest16,873
Mt. Baker WestMt Baker-Snoqualmie National Forest25,390
Mt. BaldyOlympic National Forest3,557
Mt. ZionOlympic National Forest3,544
QuilceneOlympic National Forest18,656
Rugged RidgeOlympic National Forest4,358
South QuinaultOlympic National Forest11,081
References (4)
  1. Billington, C. 1952. Ferns of Michigan. Cranbook Institute of Science, Bloomfield Hills, Michigan. 240 pp.
  2. Douglas, G.W., D. Meidinger, and J. Pojar, editors. 2000. The Illustrated Flora of British Columbia. Volume 5. Dicotyledons (Salicaceae through Zygophyllaceae) and Pteridophytes. British Columbia Ministry of Environment, Lands and Parks and British Columbia Ministry of Forests, Victoria.
  3. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  4. 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.