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Dryopteris expansa

(K. Presl) Fraser-Jenkins & Jermy

Spreading Woodfern

G5Secure Found in 101 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.153921
Element CodePPDRY0A0A0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
KingdomPlantae
PhylumFilicinophyta
ClassFilicopsida
OrderFilicales
FamilyDryopteridaceae
GenusDryopteris
Other Common Names
Dryoptère dressée (FR) Spiny Woodfern (EN) spreading woodfern (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
Review Date2011-11-01
Change Date1984-01-19
Range Extent Comments
Rangewide, DRYOPTERIS EXPANSA occurs in 4 main areas: NW North America from Alaska to Alberta and south to N California and Colorado; Minnesota to Greenland and south to S Quebec; Scandinavia to central Europe; and Manchuria, Kamchatka, and Japan (Carlson and Wagner 1982).
Ecology & Habitat
Other Nations (2)
United StatesNNR
ProvinceRankNative
MinnesotaSNRYes
MontanaS3Yes
AlaskaSNRYes
WashingtonSNRYes
IdahoSNRYes
OregonSNRYes
CaliforniaSNRYes
ColoradoS1Yes
WyomingS1Yes
WisconsinS2Yes
MichiganS2Yes
CanadaN5
ProvinceRankNative
Northwest TerritoriesS2Yes
SaskatchewanS1Yes
Yukon TerritoryS3Yes
LabradorS4Yes
ManitobaS2Yes
OntarioS4Yes
British ColumbiaS5Yes
QuebecS5Yes
Island of NewfoundlandS3Yes
AlbertaS4Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (101)
Alaska (64)
AreaForestAcres
AnanTongass National Forest36,666
Bay of PillarsTongass National Forest27,492
Behm IslandsTongass National Forest4,777
Bering LakeChugach National Forest965,076
Boston BarChugach National Forest53,617
ChichagofTongass National Forest555,858
Chilkat-West Lynn CanalTongass National Forest199,772
Chugach-12Chugach National Forest8,116
Chugach-13Chugach National Forest13,337
ClevelandTongass National Forest189,447
College FiordChugach National Forest1,130,818
Copper River WetlandsChugach National Forest85,972
CrystalTongass National Forest18,972
Douglas IslandTongass National Forest28,065
East MitkofTongass National Forest8,795
El CapitanTongass National Forest26,693
FanshawTongass National Forest48,248
Fidalgo-GravinaChugach National Forest257,968
Five MileTongass National Forest19,459
Freshwater BayTongass National Forest44,933
Game CreekTongass National Forest54,469
GravinaTongass National Forest37,381
HardingTongass National Forest174,349
Hoonah SoundTongass National Forest79,764
HyderTongass National Forest121,723
Johnson PassChugach National Forest152,508
Juneau UrbanTongass National Forest101,581
Juneau-Skagway IcefieldTongass National Forest1,187,268
KartaTongass National Forest52,117
KekuTongass National Forest10,869
Kenai LakeChugach National Forest213,172
Kenai MountainsChugach National Forest306,600
KogishTongass National Forest65,216
KosciuskoTongass National Forest64,134
LindenbergTongass National Forest25,855
MadanTongass National Forest68,553
Mansfield PeninsulaTongass National Forest54,991
ManzanitaTongass National Forest8,401
Nellie JuanChugach National Forest713,697
North BaranofTongass National Forest314,089
North ClevelandTongass National Forest105,288
North KruzofTongass National Forest33,146
North KupreanofTongass National Forest114,660
North RevillaTongass National Forest215,430
North WrangellTongass National Forest8,091
Port AlexanderTongass National Forest120,681
Prince William Sound Is.Chugach National Forest118,698
RedoubtTongass National Forest68,347
ResurrectionChugach National Forest224,615
RevillaTongass National Forest29,298
RhineTongass National Forest23,010
Roaded DonutChugach National Forest968
SarkarTongass National Forest51,908
Sheridan GlacierChugach National Forest224,683
Sitka SoundTongass National Forest13,459
Sitka UrbanTongass National Forest112,003
South KruzofTongass National Forest55,193
SpiresTongass National Forest533,746
Taku-SnettishamTongass National Forest664,928
Thorne RiverTongass National Forest72,983
Twenty MileChugach National Forest198,775
Upper SitukTongass National Forest16,789
Windham-Port HoughtonTongass National Forest161,952
Yakutat ForelandsTongass National Forest323,648
Minnesota (2)
AreaForestAcres
Brule Lake - Eagle MountainSuperior National Forest12,380
Cabin CreekSuperior National Forest6,071
Montana (6)
AreaForestAcres
Big Snowy Mountains WsaLewis and Clark National Forest88,003
Buckhorn Ridge (MT)Kootenai National Forest34,716
Cabinet Face East #671Kootenai National Forest50,326
Crazy MountainGallatin National Forest82,093
Scotchman Peaks (MT)Kootenai National Forest53,909
Willard Estelle #173Kootenai National Forest3,714
Oregon (9)
AreaForestAcres
Bull Of The WoodsMt. Hood National Forest8,843
Hebo 1aSiuslaw National Forest13,930
LakeMt. Hood National Forest1,327
LarchMt. Hood National Forest12,961
Mclennon MountainWillamette National Forest8,085
Opal CreekWillamette National Forest5,417
Roaring RiverMt. Hood National Forest27,316
Salmon - HuckleberryMt. Hood National Forest17,570
WoahinkSiuslaw National Forest5,309
Washington (20)
AreaForestAcres
Boulder RiverMt Baker-Snoqualmie National Forest32,563
BourbonGifford Pinchot National Forest4,512
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
Grassy TopIdaho Panhandle National Forests13,485
Green MountainOlympic National Forest4,617
Jefferson RidgeOlympic National Forest6,512
Jupiter RidgeOlympic National Forest10,148
LightningOlympic National Forest7,179
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
PressentinMt Baker-Snoqualmie National Forest14,545
QuilceneOlympic National Forest18,656
SiouxonGifford Pinchot National Forest12,773
South QuinaultOlympic National Forest11,081
References (2)
  1. Flora of North America Editorial Committee (FNA). 1993a. Flora of North America north of Mexico. Vol. 2. Pteridophytes and gymnosperms. Oxford Univ. Press, New York. xvi + 475 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.