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Home/Species/ Hooded Ladies'-tresses

Spiranthes romanzoffiana

Cham.

Hooded Ladies'-tresses

G5Secure Found in 280 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Least concernIUCN
Identity
Unique IDELEMENT_GLOBAL.2.136951
Element CodePMORC2B0V0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
IUCNLeast concern
CITESAppendix II
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassMonocotyledoneae
OrderOrchidales
FamilyOrchidaceae
GenusSpiranthes
Other Common Names
hooded ladies'-tresses (EN) Spiranthe de Romanzoff (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 Date2016-01-12
Change Date1984-09-06
Range Extent Comments
Canada- AB, BC, LB, MB, MK, NB, NI, NS, ON, PE, QU, SK, YT. United States - AK, AZ, CA, CO, CT, IA, ID, IL, MA, ME, MI, MN, MT, ND, NE, NH, NM, NV, NY, OH, OR, PA, RI, SD, UT, VT, WA, WI, WY.
Ecology & Habitat

Diagnostic Characteristics

Spike tightly spiraled, 3 ranked. Flowers large, usually 9 mm long or more. Lip markedly constricted near the center with a dialated apex.

Habitat

Most open wet places: bogs, including marly areas, tamarack and cedar thickets and openings, sandy or mucky shores, moist roadsides, ditches, sandy excavations, meadows, beach pools and marshes, interdunal swales, wind swept littoral, tundra, barren chalky sediment around hot springs.
Terrestrial Habitats
Forest/WoodlandForest - Conifer
Palustrine Habitats
HERBACEOUS WETLANDBog/fen
Other Nations (2)
CanadaN5
ProvinceRankNative
OntarioS5Yes
Yukon TerritoryS4Yes
Northwest TerritoriesS3Yes
Nova ScotiaS4Yes
Prince Edward IslandS3Yes
SaskatchewanS4Yes
NunavutS3Yes
New BrunswickS4Yes
ManitobaS5Yes
AlbertaS5Yes
LabradorS3Yes
British ColumbiaS5Yes
Island of NewfoundlandS4Yes
QuebecS5Yes
United StatesNNR
ProvinceRankNative
NevadaS2Yes
IndianaS1Yes
WyomingS4Yes
NebraskaS1Yes
MinnesotaSNRYes
ConnecticutSHYes
New YorkS4Yes
OhioS2Yes
MontanaS4Yes
WashingtonSNRYes
South DakotaSNRYes
OregonSNRYes
IowaS1Yes
New HampshireSNRYes
ArizonaS2Yes
MassachusettsS1Yes
MaineSNRYes
AlaskaSNRYes
UtahSNRYes
North DakotaS1Yes
WisconsinSNRYes
PennsylvaniaS1Yes
Navajo NationSNRYes
IdahoSNRYes
MichiganSNRYes
New MexicoS2Yes
CaliforniaSNRYes
VermontS2Yes
IllinoisSHYes
ColoradoS4Yes
Plant Characteristics
DurationPERENNIAL, DECIDUOUS
Economic Value (Genus)No
Roadless Areas (280)
Alaska (42)
AreaForestAcres
Bering LakeChugach National Forest965,076
Boston BarChugach National Forest53,617
Brabazon AdditionTongass National Forest498,819
ChichagofTongass National Forest555,858
Chilkat-West Lynn CanalTongass National Forest199,772
Chugach-12Chugach National Forest8,116
College FiordChugach National Forest1,130,818
Copper River WetlandsChugach National Forest85,972
Dall IslandTongass National Forest105,780
Fidalgo-GravinaChugach National Forest257,968
Game CreekTongass National Forest54,469
GravinaTongass National Forest37,381
Green RocksTongass National Forest11,093
HardingTongass National Forest174,349
Johnson PassChugach National Forest152,508
Juneau UrbanTongass National Forest101,581
Juneau-Skagway IcefieldTongass National Forest1,187,268
KartaTongass National Forest52,117
Kenai LakeChugach National Forest213,172
Kenai MountainsChugach National Forest306,600
LindenbergTongass National Forest25,855
Neka BayTongass National Forest7,142
Neka MountainTongass National Forest6,138
Nellie JuanChugach National Forest713,697
North ClevelandTongass National Forest105,288
North RevillaTongass National Forest215,430
Prince William Sound Is.Chugach National Forest118,698
RatzTongass National Forest5,325
ResurrectionChugach National Forest224,615
RevillaTongass National Forest29,298
RhineTongass National Forest23,010
Roaded DonutChugach National Forest968
Sheridan GlacierChugach National Forest224,683
Soda BayTongass National Forest78,091
South KruzofTongass National Forest55,193
SukkwanTongass National Forest44,369
Taku-SnettishamTongass National Forest664,928
Thorne RiverTongass National Forest72,983
TwelvemileTongass National Forest37,940
Twenty MileChugach National Forest198,775
Windham-Port HoughtonTongass National Forest161,952
Yakutat ForelandsTongass National Forest323,648
Arizona (1)
AreaForestAcres
PinalenoCoronado National Forest130,920
California (37)
AreaForestAcres
Bucks LakePlumas National Forest680
Caples CreekEldorado National Forest17,854
Carson - IcebergStanislaus National Forest56,430
Castle PeakTahoe National Forest14,974
Chips CreekLassen National Forest29,089
DardanellesEldorado National Forest8,110
Dinkey LakesSierra National Forest34,171
East YubaTahoe National Forest17,968
Glass MountainInyo National Forest52,867
Granite ChiefTahoe National Forest6,546
Hall Natural AreaInyo National Forest5,236
Heart LakeLassen National Forest9,349
Horse Mdw.Inyo National Forest5,687
Lake EleanorShasta-Trinity National Forest397
Log Cabin SaddlebagInyo National Forest15,165
Mt. BidwellModoc National Forest11,687
Mt. RebaStanislaus National Forest3,869
NessieInyo National Forest830
North Fork American RiverTahoe National Forest38,495
North LakeInyo National Forest2,406
Orleans Mtn.Klamath National Forest49,090
ParsnipModoc National Forest8,485
Poison HoleEldorado National Forest2,627
PowleyModoc National Forest6,268
PyramidEldorado National Forest24,347
Raymond PeakEldorado National Forest2,518
Raymond PeakStanislaus National Forest3,646
Rock Creek WestInyo National Forest3,626
RussianKlamath National Forest21,771
SiskiyouKlamath National Forest54,039
Siskiyou BSix Rivers National Forest18,871
SnoozerKlamath National Forest23,414
Tioga LakeInyo National Forest829
Trail LakeLassen National Forest1,124
Wheeler RidgeInyo National Forest15,744
Wild Cattle MtnLassen National Forest4,965
Wonoga Pk.Inyo National Forest11,272
Colorado (5)
AreaForestAcres
Comanche Peak Adjacent AreaArapaho & Roosevelt NFs44,158
Dome PeakRoutt NF35,716
HermosaSan Juan NF148,103
Long ParkRoutt NF42,100
San MiguelSan Juan NF64,263
Idaho (9)
AreaForestAcres
Bighorn - WeitasNez Perce-Clearwater National Forest254,845
HoodooNez Perce-Clearwater National Forest153,868
NeedlesPayette National Forest131,279
North Lochsa SlopeNez Perce-Clearwater National Forest117,662
Peace RockBoise National Forest191,734
Pioneer MountainsSalmon-Challis National Forest172,460
Pioneer MountainsSawtooth National Forest119,563
SeceshPayette National Forest248,088
West Meadow CreekNez Perce-Clearwater National Forest115,949
Minnesota (1)
AreaForestAcres
Cabin CreekSuperior National Forest6,071
Montana (49)
AreaForestAcres
Allan Mountain (01946)Bitterroot National Forest104,184
Anderson MountainBeaverhead-Deerlodge National Forest31,501
Bear - Marshall - Scapegoat - SwanLolo National Forest118,485
Bear - Marshall - Scapegoat - SwanLewis and Clark National Forest344,022
Bmss Ra 1485Flathead National Forest334,275
Buckhorn Ridge (MT)Kootenai National Forest34,716
Burnt MountainCuster National Forest10,698
Cabinet Face East #671Kootenai National Forest50,326
Chippewa #682Kootenai National Forest1,262
Crazy MountainGallatin National Forest82,093
East PioneerBeaverhead-Deerlodge National Forest145,082
Gallatin FringeGallatin National Forest51,571
Gilt Edge - Silver CreekLolo National Forest10,055
HoodooLolo National Forest105,162
Hyalite - Porcupine - Buffalo Horn Wilderness Study AreaGallatin National Forest143,991
Lazyman GulchHelena National Forest11,614
Line Creek PlateauCuster National Forest24,825
Lolo CreekBitterroot National Forest581
Lolo CreekLolo National Forest14,335
MadisonGallatin National Forest127,859
Marshall PeakLolo National Forest9,069
Mckay Creek #676Kootenai National Forest15,323
Middle Fork Judith WsaLewis and Clark National Forest81,131
Middle Mtn. / Tobacco RootsBeaverhead-Deerlodge National Forest96,487
Mt. BaldyHelena National Forest16,362
Mt. BushnellLolo National Forest41,798
Mt. Gmt Area HCuster National Forest1,335
North AbsarokaGallatin National Forest159,075
North AbsarokaCuster National Forest21,063
North Big HoleBeaverhead-Deerlodge National Forest52,227
North CarpBeaverhead-Deerlodge National Forest6,600
Northwest PeaksKootenai National Forest15,358
Proposed Line Creek PrnaCuster National Forest389
Red Lodge Creek HellroaringCuster National Forest17,210
Rock CreekKootenai National Forest806
Roderick #684Kootenai National Forest29,677
Saddle Mountain #168Kootenai National Forest14,675
SapphireBitterroot National Forest43,303
SapphiresBeaverhead-Deerlodge National Forest66,619
Scotchman Peaks (MT)Kootenai National Forest53,909
Selway - Bitterroot (01067)Bitterroot National Forest114,953
Silver KingBeaverhead-Deerlodge National Forest64,289
Stony MountainBitterroot National Forest44,057
Storm LakeBeaverhead-Deerlodge National Forest9,324
Tash PeakBeaverhead-Deerlodge National Forest61,312
Ten Lakes #683Kootenai National Forest48,545
Tuchuck #664Kootenai National Forest2,239
West Big HoleBeaverhead-Deerlodge National Forest133,563
West PioneerBeaverhead-Deerlodge National Forest248,631
Nevada (11)
AreaForestAcres
Boundary Peak (NV)Inyo National Forest21,851
Copper Mtns.Humboldt-Toiyabe National Forest31,945
Mystic (NV)Humboldt-Toiyabe National Forest5,644
Rose - Alum CreekHumboldt-Toiyabe National Forest853
Rose - Davis Mdw.Humboldt-Toiyabe National Forest2,361
Rose - GalenaHumboldt-Toiyabe National Forest3,711
Rose - SummitHumboldt-Toiyabe National Forest9
Rose - VerdiHumboldt-Toiyabe National Forest1,155
Rose - Whites CanyonHumboldt-Toiyabe National Forest2,568
Ruby - Lamoille CynHumboldt-Toiyabe National Forest32,771
Ruby - ThompsonHumboldt-Toiyabe National Forest5,289
New Mexico (4)
AreaForestAcres
Canjilon Mtn.Carson National Forest7,972
Grass MountainSanta Fe National Forest3,254
Pecos WS RiverSanta Fe National Forest5,396
San Pedro ParksSanta Fe National Forest5,824
Oregon (41)
AreaForestAcres
Badger CreekMt. Hood National Forest847
BearwallowsDeschutes National Forest7,317
Bend WatershedDeschutes National Forest14,829
Boulder ParkWallowa-Whitman National Forest12,141
Bulldog RockUmpqua National Forest6,056
Castle RidgeWallowa-Whitman National Forest8,377
Crane MountainFremont National Forest23,096
Dunns BluffWallowa-Whitman National Forest718
French Pete (a)Willamette National Forest1,668
Frog CampWillamette National Forest491
Gordon MeadowsWillamette National Forest9,463
Greenhorn MountainMalheur National Forest15,936
Greenhorn Mtn.Umatilla National Forest11,191
Hebo 1aSiuslaw National Forest13,930
Jaussaud CorralUmatilla National Forest5,535
Lake ForkWallowa-Whitman National Forest21,936
Little CreekWallowa-Whitman National Forest2,815
Little Eagle MeadowsWallowa-Whitman National Forest6,984
Maiden PeakWillamette National Forest9,627
Maiden PeakDeschutes National Forest26,432
Mt. Hood AdditionsMt. Hood National Forest13,061
Mt. ThielsenWinema National Forest1,153
North PaulinaDeschutes National Forest19,670
ReservoirWallowa-Whitman National Forest13,641
Roaring RiverMt. Hood National Forest27,316
Salmon - HuckleberryMt. Hood National Forest17,570
Sky Lakes AWinema National Forest3,940
Snake RiverWallowa-Whitman National Forest31,229
South PaulinaDeschutes National Forest9,074
TahkenitchSiuslaw National Forest5,799
TenmileSiuslaw National Forest10,818
Twin LakesMt. Hood National Forest6,055
Twin MountainWallowa-Whitman National Forest58,533
Upper Catherine CreekWallowa-Whitman National Forest6,446
Upper Grande RondeWallowa-Whitman National Forest11,723
Waldo - FujiWillamette National Forest15,273
Waldo - LakeWillamette National Forest2,993
Walla Walla RiverUmatilla National Forest34,416
West - South BachelorDeschutes National Forest25,994
Wind CreekMt. Hood National Forest5,438
WoahinkSiuslaw National Forest5,309
Utah (9)
AreaForestAcres
0401001Ashley National Forest11,705
0401024Ashley National Forest12,882
0419020Ashley National Forest355,684
418001Uinta National Forest5,697
418040Uinta National Forest1,702
High Uintas (UT)Wasatch-Cache National Forest102,398
LakesWasatch-Cache National Forest121,967
NoblettsWasatch-Cache National Forest3,116
White PineWasatch-Cache National Forest1,942
Vermont (1)
AreaForestAcres
Bread LoafGreen Mountain and Finger Lakes National Forests1,768
Washington (38)
AreaForestAcres
Alpine Lakes Adj.Wenatchee National Forest57,104
Blue SlideWenatchee National Forest17,505
Boulder RiverMt Baker-Snoqualmie National Forest32,563
ChelanWenatchee National Forest74,650
Dark DivideGifford Pinchot National Forest52,483
Dixon MountainGifford Pinchot National Forest6,339
EntiatWenatchee National Forest72,617
Glacier Peak BMt Baker-Snoqualmie National Forest19,328
Glacier Peak LMt Baker-Snoqualmie National Forest14,084
Goat Rocks AdjWenatchee National Forest6,108
Gotchen CreekGifford Pinchot National Forest7,518
Grassy TopIdaho Panhandle National Forests13,485
Green MountainOlympic National Forest4,617
Harvey CreekColville National Forest10,140
Heather LakeWenatchee National Forest10,628
HoodooColville National Forest7,142
HorseshoeGifford Pinchot National Forest7,579
Jefferson RidgeOlympic National Forest6,512
Jupiter RidgeOlympic National Forest10,148
Liberty BellOkanogan National Forest108,495
LightningOlympic National Forest7,179
ManastashWenatchee National Forest11,155
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
Myrtle LakeWenatchee National Forest11,133
Nason RidgeWenatchee National Forest19,329
Norse PeakWenatchee National Forest10,169
Pasayten RimOkanogan National Forest17,074
ProfanityColville National Forest28,944
QuartzWenatchee National Forest8,550
Red LakeGifford Pinchot National Forest2,162
Rock CreekWenatchee National Forest32,239
Salmo - Priest BColville National Forest11,869
SawtoothOkanogan National Forest122,194
South MidwayGifford Pinchot National Forest2,384
TaneumWenatchee National Forest26,140
Upper SkokomishOlympic National Forest9,311
Wyoming (32)
AreaForestAcres
Bear MountainMedicine Bow-Routt National Forest9,440
Beartooth Proposed WildernessShoshone National Forest16,837
Bruce MountainBighorn National Forest5,417
Campbell LakeMedicine Bow-Routt National Forest7,088
Cloud Peak ContiguousBighorn National Forest113,757
Devils CanyonBighorn National Forest37,416
Encampment River AdditionMedicine Bow-Routt National Forest4,996
French CreekMedicine Bow-Routt National Forest5,928
Grayback RidgeBridger-Teton National Forest295,113
Gros Ventre MountainsBridger-Teton National Forest106,418
Horse Creek MesaBighorn National Forest77,808
Leigh CreekBighorn National Forest19,180
Libby FlatsMedicine Bow-Routt National Forest11,107
Little BighornBighorn National Forest133,949
Little Sheep MountainBridger-Teton National Forest14,192
Middle ForkMedicine Bow-Routt National Forest13,238
Middle ForkShoshone National Forest51,772
Mosquito Lake - Seven LakesBridger-Teton National Forest51,950
Piney CreekBighorn National Forest22,240
Platte River AdditionMedicine Bow-Routt National Forest7,962
Rock CreekBighorn National Forest48,657
Rock CreekMedicine Bow-Routt National Forest18,874
Sibley LakeBighorn National Forest10,367
Snowy RangeMedicine Bow-Routt National Forest29,660
South Beartooth HighwayShoshone National Forest105,570
Sulphur CreekShoshone National Forest30,221
Teton Corridor TrailheadsBridger-Teton National Forest286
Walker PrairieBighorn National Forest62,434
West Slope TetonsTarghee National Forest47,448
West Slope WindsBridger-Teton National Forest143,252
Windy MountainShoshone National Forest31,283
Winegar HoleTarghee National Forest247
References (11)
  1. Brackley, F. E. 1985. The orchids of New Hampshire. Rhodora 87:1-117.
  2. Correll, D.S. 1950 [1978]. Native orchids of North America north of Mexico. Stanford Univ. Press, Stanford, California. 400 pp.
  3. Fernald, M.L. 1950 Gray's Manual of Botany, 8th ed. American Book Company, New York. 1632 pp.
  4. Flora of North America Editorial Committee (FNA). 2002a. Flora of North America north of Mexico. Vol. 26. Magnoliophyta: Liliidae: Liliales and Orchidales. Oxford Univ. Press, New York. xxvi + 723 pp.
  5. Gleason, H.A. 1952. The new Britton and Brown illustrated flora of the northeastern United States and adjacent Canada. 3 volumes. Hafner Press, New York. 1732 pp.
  6. Henry, L.K., W.E. Buker and D.L. Pearth. 1975. Western Pennsylvania Orchids. Castanea 40 (2):93-171.
  7. 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.
  8. Luer, C.A. 1975. The native orchids of the United States and Canada excluding Florida. New York Botanical Garden. 361 pp.
  9. McCance, R.M., Jr., and J.F. Burns, eds. 1984. Ohio endangered and threatened vascular plants: Abstracts of state-listed taxa. Division Natural Areas and Preserves, Ohio Dept. Natural Resources, Columbus. 635 pp.
  10. Von Chamisso, L. A. 1836. De Plantis in Expeditione Speculatoria Romanzoffiana observatis rationem dicunt, in Linnaea i-x, 1826-1836. Vol 3, part 1, pages 25-35. Orchid. arcticae.
  11. Voss, E.G. 1972. Michigan flora: A guide to the identification and occurrence of the native and naturalized seed-plants of the state. Part I. Gymnosperms and monocots. Cranbrook Institute of Science and Univ. Michigan Herbarium. Ann Arbor. 488 pp.