EWU logo

    • Apply
    • Academics
    • Athletics
    • Calendar
    • Community
    • About
    • InsideEWU
    • Canvas
  • Skip to primary navigation
  • Skip to main content

FLORA OF EASTERN WASHINGTON AND ADJACENT IDAHO

  • HOME
  • MONOCOT Taxa
    • Index by Family
    • Index by Genus
  • DICOT Taxa
    • Index by Family
    • Index by Genus
  • NON FLOWERING Taxa
    • Index by Family
    • Index by Genus

Orchidaceae

Corallorhiza mertensiana

Taxonomy: Corallorhiza, Orchidaceae Category: Monocot

Binomial NameCorallorhiza mertensiana Bong.
FamilyOrchidaceae
Common NamesPacific coralroot, western coralroot
Eastern WashingtonNative
Conservation Status
Notes

Click on any image to enlarge it.

  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020
  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020
  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020
  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020
  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020
  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020
  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020
  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020

Platanthera dilatata var. albiflora

Taxonomy: Orchidaceae, Platanthera Category: Monocot

Binomial NamePlatanthera dilatata (Pursh) Lindl. ex L.C. Beck
var. albiflora (Cham.) Ledeb.
FamilyOrchidaceae
Common Nameswhite bog orchid
Eastern WashingtonNative
Conservation Status
Notes

Click on any image to enlarge it.

  • Tree free wetland in SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.04 air mi E of Nordman, ID; N 48.62856 W 116.83593; Bonner Co.; 6/12/2020
  • Tree free wetland in SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.04 air mi E of Nordman, ID; N 48.62856 W 116.83593; Bonner Co.; 6/12/2020
  • Tree free wetland in SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.04 air mi E of Nordman, ID; N 48.62856 W 116.83593; Bonner Co.; 6/12/2020
  • Tree free wetland in SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.04 air mi E of Nordman, ID; N 48.62856 W 116.83593; Bonner Co.; 6/12/2020
  • Tree free wetland in SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.04 air mi E of Nordman, ID; N 48.62856 W 116.83593; Bonner Co.; 6/12/2020

Platanthera dilatata var. leucostachys

Taxonomy: Orchidaceae, Platanthera Category: Monocot

Binomial NamePlatanthera dilatata (Pursh) Lindl. ex L.C. Beck var. leucostachys (Lindl.) Luer
FamilyOrchidaceae
Common Nameswhite bog orchid
Eastern WashingtonNative
Conservation Status
Notes

Click on any image to enlarge it.

  • Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co.; 7/31/2013
  • Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co.; 7/31/2013
  • Along the Pomeroy-Grouse Flat Rd ca. 0.47 air mi E of Mt Misery Campground; N 46.12023 W 117.47431; Asotin Co.; 7/31/2013

Calypso bulbosa

Taxonomy: Calypso, Orchidaceae Category: Monocot

Scientific NameCalypso bulbosa (L.) Oakes
FamilyOrchidaceae
Common Namescalypso, fairy-slipper
Eastern WashingtonNative
Synonyms
Conservation StatusState of Washington Watch List; Location hidden.
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Calypso bulbosa
    Ferry Co. – 5/29/2006
  • Flora of Eastern Washington Image: Calypso bulbosa
    Ferry Co. – 5/29/2006
  • Flora of Eastern Washington Image: Calypso bulbosa
    Ferry Co. – 5/29/2006
  • Flora of Eastern Washington Image: Calypso bulbosa
    Ferry Co. – 5/29/2006
  • Flora of Eastern Washington Image: Calypso bulbosa
    Ferry Co. – 5/29/2006
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Whitman Co., WA; 4/27/2016
  • Flora of Eastern Washington Image: Calypso bulbosa
    Just E of Hurricane Ck Tr and ca. 75 yds S of Falls Ck; 4.98 air mi SW of Joseph, OR; N 45.30725 W 117.30690; Wallowa Co.; 6/13/2017
  • Flora of Eastern Washington Image: Calypso bulbosa
    Just E of Hurricane Ck Tr and ca. 75 yds S of Falls Ck; 4.98 air mi SW of Joseph, OR; N 45.30725 W 117.30690; Wallowa Co.; 6/13/2017
  • Flora of Eastern Washington Image: Calypso bulbosa
    Just E of Hurricane Ck Tr and ca. 75 yds S of Falls Ck; 4.98 air mi SW of Joseph, OR; N 45.30725 W 117.30690; Wallowa Co.; 6/13/2017

Platanthera orbiculata

Taxonomy: Orchidaceae, Platanthera Category: Monocot

Scientific NamePlatanthera orbiculata (Pursh) Lindley
FamilyOrchidaceae
Common Nameslarge round-leaf orchid
Eastern WashingtonNative
Conservation StatusState of Washington Watch List; Location hidden.
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Platanthera orbiculara
    Pend Oreille Co., WA – 7/14/2009
  • Flora of Eastern Washington Image: Platanthera orbiculara
    Pend Oreille Co., WA – 7/14/2009
  • Flora of Eastern Washington Image: Platanthera orbiculara
    Pend Oreille Co., WA – 7/14/2009
  • Flora of Eastern Washington Image: Platanthera orbiculara
    Pend Oreille Co., WA – 7/14/2009
  • Bonner Co., ID; 6/12/2020
  • Bonner Co., ID; 6/12/2020
  • Bonner Co., ID; 6/12/2020
  • Bonner Co., ID; 6/28/2020
  • Bonner Co., ID; 6/28/2020
  • Bonner Co., ID; 6/28/2020
  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020
  • SE headwaters of Bear Creek, 0.76 air mi NNW of entrance to Indian Creek CG; 5.07 air mi E of Nordman, ID; N 48.62842 W 116.83553; Bonner Co., ID; 6/28/2020

Corallorhiza trifida

Taxonomy: Corallorhiza, Orchidaceae Category: Monocot

Scientific NameCorallorhiza trifida Châtelain
FamilyOrchidaceae
Common Namesearly coralroot, northern coralroot
Eastern WashingtonNative
Conservation Status
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Corallorhiza trifida
    Ca. 6 mi E of Chinook Pass along Hi 410 – Yakima Co., WA – 6/21/2009
  • Flora of Eastern Washington Image: Corallorhiza trifida
    Ca. 6 mi E of Chinook Pass along Hi 410 – Yakima Co., WA – 6/21/2009
  • Flora of Eastern Washington Image: Corallorhiza trifida
    Ca. 6 mi E of Chinook Pass along Hi 410 – Yakima Co., WA – 6/21/2009
  • Flora of Eastern Washington Image: Corallorhiza trifida
    Ca. 6 mi E of Chinook Pass along Hi 410 – Yakima Co., WA – 6/21/2009
  • Flora of Eastern Washington Image: Corallorhiza trifida
    Hi 20 Tiger to Colville Rd; 48 40 435N 117 27 994W – Stevens Co., WA – 6/5/2009
  • Flora of Eastern Washington Image: Corallorhiza trifida
    Ca. 6 mi E of Chinook Pass along Hi 410 – Yakima Co., WA – 6/21/2009

Cypripedium montanum

Taxonomy: Cypripedium, Orchidaceae Category: Monocot

Scientific NameCypripedium montanum Dougl. ex Lindl.
FamilyOrchidaceae
Common Namesmountain lady’s-slipper
Eastern WashingtonNative
SynonymsNone
Conservation StatusState of Washington Watch List; Location hidden.
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Cypripedium montanum
    Pend Oreille Co., WA – 6/5/2009
  • Flora of Eastern Washington Image: Cypripedium montanum
    Pend Oreille Co., WA – 6/5/2009
  • Flora of Eastern Washington Image: Cypripedium montanum
    Pend Oreille Co., WA – 6/5/2009
  • Flora of Eastern Washington Image: Cypripedium montanum
    Pend Oreille Co., WA – 6/5/2009
  • Flora of Eastern Washington Image: Cypripedium montanum
    Pend Oreille Co., WA – 6/5/2009
  • Flora of Eastern Washington Image: Cypripedium montanum
    Pend Oreille Co., WA – 6/5/2009

Platanthera dilatata var. dilatata

Taxonomy: Orchidaceae, Platanthera Category: Monocot

Scientific NamePlatanthera dilatata (Pursh) Lindl. ex. L.C. Beck var. dilatata
FamilyOrchidaceae
Common Nameswhite bog orchid
Eastern WashingtonNative
Conservation Status
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Platanthera dilatata
    Along USFS Rd 43 at Wickiup Spgs. S33 in T8N R43E – N 46.13512 W 117.43657 – Garfield Co., WA – 7/19/2009
  • Flora of Eastern Washington Image: Platanthera dilatata
    Along Hwy 20 ca 12 mi W of Kettle Falls – Ferry Co., WA – 7/3/2005
  • Flora of Eastern Washington Image: Platanthera dilatata
    Along Hwy 20 ca 12 mi W of Kettle Falls – Ferry Co., WA – 7/3/2005
  • Flora of Eastern Washington Image: Platanthera dilatata
    Along Hwy 20 ca 12 mi W of Kettle Falls – Ferry Co., WA – 7/1/2006
  • Flora of Eastern Washington Image: Platanthera dilatata
    Along USFS Rd 43 at Wickiup Spgs. S33 in T8N R43E – N 46.13512 W 117.43657 – Garfield Co., WA – 7/19/2009
  • Flora of Eastern Washington Image: Platanthera dilatata
    Along Hwy 20 ca 12 mi W of Kettle Falls – Ferry Co., WA – 6/18/2005
  • Flora of Eastern Washington Image: Platanthera dilatata
    Along Hwy 20 ca 12 mi W of Kettle Falls – Ferry Co., WA – 7/1/2006
  • Flora of Eastern Washington Image: Platanthera dilatata
    Ca. 1 mi W of Graves Mt just off Graves Mt. Rd; ca. 15 air mi W of Kettle Falls, WA; N 48.63984 W 118.38227; Ferry Co.; 6/25/2018
  • Flora of Eastern Washington Image: Platanthera dilatata
    Along Hwy 20 ca 11 mi W of Kettle Falls – Ferry Co., WA; N 48.57921 W 118.25985; 6/16/2013
  • Flora of Eastern Washington Image: Platanthera dilatata
    Ca. 1 mi W of Graves Mt just off Graves Mt. Rd; ca. 15 air mi W of Kettle Falls, WA; N 48.63984 W 118.38227; Ferry Co.; 6/25/2018
  • Flora of Eastern Washington Image: Platanthera dilatata
    Ca. 1 mi W of Graves Mt just off Graves Mt. Rd; ca. 15 air mi W of Kettle Falls, WA; N 48.63984 W 118.38227; Ferry Co.; 6/25/2018

Listera caurina

Taxonomy: Listera, Orchidaceae Category: Monocot

Scientific NameListera caurina Piper
FamilyOrchidaceae
Common Namesnorthwestern twayblade
Eastern WashingtonNative
Synonyms
Conservation Status
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Listera caurina
    Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011
  • Flora of Eastern Washington Image: Listera caurina
    Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011
  • Flora of Eastern Washington Image: Listera caurina
    Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011
  • Flora of Eastern Washington Image: Listera caurina
    Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011
  • Flora of Eastern Washington Image: Listera caurina
    Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011
  • Flora of Eastern Washington Image: Listera caurina
    Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011
  • Flora of Eastern Washington Image: Listera caurina
    Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011
  • Flora of Eastern Washington Image: Listera caurina
    Along Hwy 6 ca. 2 mi S of the Benewah Co. border just N of the Giant White Pine Campground; N 47.01095 W 116.67822; Latah Co., ID; 6/20/2012
  • Flora of Eastern Washington Image: Listera caurina
    Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011
  • Flora of Eastern Washington Image: Listera caurina
    Corner of F.R. 030 with Skyline Drive; N 46.23565 W 117.76894 – Columbia Co., WA – 7/22/2011
  • Flora of Eastern Washington Image: Listera caurina
    Ca. 0.11 mi E of FR 40 along FR 140 (Stentz Spgs); S of Pomeroy, WA; N 46.22748 W 117.57906; Garfield Co.; 7/18/2012

Goodyera oblongifolia

Taxonomy: Goodyera, Orchidaceae Category: Monocot

Scientific NameGoodyera oblongifolia Raf.
FamilyOrchidaceae
Common Nameswestern rattlesnake-plantain, giant rattlesnake plantain
Eastern WashingtonNative
Conservation Status
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Goodyera oblongifolia
    Skookum Lk rd. at 48 24 787N 117 06 091W – Pend Oreille Co., WA – 7/14/2009
  • Flora of Eastern Washington Image: Goodyera oblongifolia
    Along Hwy 20 at Sherman Pass W of Kettle Falls, WA – Ferry Co. – 7/28/2009
  • Flora of Eastern Washington Image: Goodyera oblongifolia
    West of Ione; T37N R42E S10, SW 1/4 of the NW 1/4, w of rd 466 – Pend Oreille Co., WA – 8/9/2009
  • Flora of Eastern Washington Image: Goodyera oblongifolia
    Half Moon rd 3-4 mi N of Jct with Kings Lk rd. – Pend Oreille Co., WA – 7/26/2009
  • Flora of Eastern Washington Image: Goodyera oblongifolia
    Half Moon rd 3-4 mi N of Jct with Kings Lk rd. – Pend Oreille Co., WA – 7/26/2009
  • Flora of Eastern Washington Image: Goodyera oblongifolia
    Half Moon rd 3-4 mi N of Jct with Kings Lk rd. – Pend Oreille Co., WA – 7/26/2009
  • Flora of Eastern Washington Image: Goodyera oblongifolia
    Just N of Fen in trees; W of Thistledo Ln; N of Mosquito Bay at N end of Priest Lake; N 48.74586 W 116.84361; Bonner Co., ID; 7/28/2015
  • Flora of Eastern Washington Image: Goodyera oblongifolia
    Just N of Fen in trees; W of Thistledo Ln; N of Mosquito Bay at N end of Priest Lake; N 48.74586 W 116.84361; Bonner Co., ID; 7/28/2015
  • Flora of Eastern Washington Image: Goodyera oblongifolia
    Just N of Fen in trees; W of Thistledo Ln; N of Mosquito Bay at N end of Priest Lake; N 48.74586 W 116.84361; Bonner Co., ID; 7/28/2015
  • Flora of Eastern Washington Image: Goodyera oblongifolia
    Just N of Fen in trees; W of Thistledo Ln; N of Mosquito Bay at N end of Priest Lake; N 48.74586 W 116.84361; Bonner Co., ID; 7/28/2015
Next Page »
Eastern Washington University
509.359.6200 • Contact Information
EWU expands opportunities for personal transformation through excellence in learning.
  • About EWU
  • Accessibility
  • Campus Map
  • Visit EWU
  • Diversity
  • InsideEWU
  • EWU Libraries
  • Jobs
  • Campus Locations
  • Canvas
  • Leadership
  • EWU Foundation
  • Privacy Policy
  • Rules Docket

© 2021 Eastern Washington University