FLORA OF EASTERN WASHINGTON AND ADJACENT IDAHO

Anacardiaceae

Rhus aromatica

Taxonomy: Anacardiaceae, Rhus Category:

Scientific NameRhus aromatica Aiton
FamilyAnacardiaceae
Common NamesSquawbush, skunkbush, skunkbush sumac, lemonade sumac, smooth sumac
Eastern WashingtonNative?…Montana, Idaho, Oregon
Conservation Status
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Rhus aromatica
    Chief Timothy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014
  • Flora of Eastern Washington Image: Rhus aromatica
    Chief Timolthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 7/30/2013
  • Flora of Eastern Washington Image: Rhus aromatica
    Chief Timothy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014
  • Flora of Eastern Washington Image: Rhus aromatica
    Chief Timolthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 7/30/2013
  • Flora of Eastern Washington Image: Rhus aromatica
    Chief Timothy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014
  • Flora of Eastern Washington Image: Rhus aromatica
    Chief Timothy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014
  • Flora of Eastern Washington Image: Rhus aromatica
    Chief Timolthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 7/30/2013
  • Flora of Eastern Washington Image: Rhus aromatica
    Chief Timothy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014

Rhus glabra

Taxonomy: Anacardiaceae, Rhus Category:

Scientific NameRhus glabra L.
FamilyAnacardiaceae
Common Namessmooth sumac
Eastern WashingtonNative
SynonymsNone
Conservation Status
Notes

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  • Flora of Eastern Washington Image: Rhus glabra
    Snake R rd 7.0 mi N of Druffel Rd, N of Clarkston – Whitman Co., WA – 6/8/2009
  • Flora of Eastern Washington Image: Rhus glabra
    Snake R rd 7.0 mi N of Druffel Rd, N of Clarkston – Whitman Co., WA – 6/8/2009
  • Flora of Eastern Washington Image: Rhus glabra
    Snake R rd 7.0 mi N of Druffel Rd, N of Clarkston – Whitman Co., WA – 6/8/2009
  • Flora of Eastern Washington Image: Rhus glabra
    Snake R rd 7.0 mi N of Druffel Rd, N of Clarkston – Whitman Co., WA – 6/8/2009
  • Flora of Eastern Washington Image: Rhus glabra
    Swakane Cyn N of Wenatchee, WA; 1.57 mi from Hwy 97; N 47.55623 W 120.31267; Chelan Col., 5/29/2016
  • Flora of Eastern Washington Image: Rhus glabra
    Swakane Cyn N of Wenatchee, WA; 1.57 mi from Hwy 97; N 47.55623 W 120.31267; Chelan Col., 5/29/2016
  • Flora of Eastern Washington Image: Rhus glabra
    Swakane Cyn N of Wenatchee, WA; 1.57 mi from Hwy 97; N 47.55623 W 120.31267; Chelan Col., 5/29/2016
  • Flora of Eastern Washington Image: Rhus glabra
    Swakane Cyn N of Wenatchee, WA; 1.57 mi from Hwy 97; N 47.55623 W 120.31267; Chelan Col., 5/29/2016
  • Flora of Eastern Washington Image: Rhus glabra
    Swakane Cyn N of Wenatchee, WA; 1.57 mi from Hwy 97; N 47.55623 W 120.31267; Chelan Col., 5/29/2016

Toxicodendron rydbergii

Taxonomy: Anacardiaceae, Toxicodendron Category:

Scientific NameToxicodendron rydbergii (Small ex Rydb.) Greene
FamilyAnacardiaceae
Common Nameswestern poison-ivy
Eastern WashingtonNative
Synonyms
Conservation Status
Notes

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  • Flora of Eastern Washington Image: Toxicodendron rydbergii
    Along Hwy 22 SE of Toppenish, WA 0.1 mi SE of Plank Rd; 46.30840N 120.20711W – Yakima Co. – 5/30/2010
  • Flora of Eastern Washington Image: Toxicodendron rydbergii
    Along Hwy 22 SE of Toppenish, WA 0.1 mi SE of Plank Rd; 46.30840N 120.20711W – Yakima Co. – 5/30/2010
  • Flora of Eastern Washington Image: Toxicodendron rydbergii
    Near the south edge of Kepple Lake on the Turnbull National Wildlife Refuge S. of Cheney, WA – Spokane Co. – 4/27/2003
  • Flora of Eastern Washington Image: Toxicodendron rydbergii
    Along Hwy 22 SE of Toppenish, WA 0.1 mi SE of Plank Rd; 46.30840N 120.20711W – Yakima Co. – 5/30/2010
  • Flora of Eastern Washington Image: Toxicodendron rydbergii
    Near the south edge of Kepple Lake on the Turnbull National Wildlife Refuge S. of Cheney, WA – Spokane Co. – Late fall

Rhus trilobata

Taxonomy: Anacardiaceae, Rhus Category:

Scientific NameRhus trilobata Nutt.
FamilyAnacardiaceae
Common NamesSquawbush, skunkbush, skunkbush sumac
Eastern WashingtonNative
Synonyms
Conservation Status
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Rhus trilobata
    Chief Timlthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014
  • Flora of Eastern Washington Image: Rhus trilobata
    Chief Timlthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 7/30/2013
  • Flora of Eastern Washington Image: Rhus trilobata
    Chief Timlthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014
  • Flora of Eastern Washington Image: Rhus trilobata
    Chief Timlthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 7/30/2013
  • Flora of Eastern Washington Image: Rhus trilobata
    Chief Timlthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014
  • Flora of Eastern Washington Image: Rhus trilobata
    Chief Timlthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014
  • Flora of Eastern Washington Image: Rhus trilobata
    Chief Timlthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 7/30/2013
  • Flora of Eastern Washington Image: Rhus trilobata
    Chief Timlthy Wildlife Management Area W of Clarkston, WA; N 46.42302 W 117.16741; Asotin Co.; 5/30/2014

Toxicodendron radicans var. rydbergii

Taxonomy: Anacardiaceae, Toxicodendron Category:

Scientific NameToxicodendron radicans (L.) Kuntze var. rydbergii (Small ex Rydb.) Erskine
FamilyAnacardiaceae
Common Namespoison-ivy, western poison-ivy
Eastern WashingtonNative
Conservation Status
Notes

Click on any image to enlarge it.

  • Flora of Eastern Washington Image: Toxicodendron radicans
    Along Hwy 22 SE of Toppenish, WA 0.1 mi SE of Plank Rd; 46.30840N 120.20711W – Yakima Co. – 5/30/2010
  • Flora of Eastern Washington Image: Toxicodendron radicans
    Along Hwy 22 SE of Toppenish, WA 0.1 mi SE of Plank Rd; 46.30840N 120.20711W – Yakima Co. – 5/30/2010
  • Flora of Eastern Washington Image: Toxicodendron radicans
    Near the south edge of Kepple Lake on the Turnbull National Wildlife Refuge S. of Cheney, WA – Spokane Co. – 4/27/2003
  • Flora of Eastern Washington Image: Toxicodendron radicans
    Rock Crk Rd between Bickleton/Goldendale, WA Hwy and Hwy 14. Ca 100 yds N of Bridge at Cross Crk (Roscoe).; N 45.80584 W 120.50885; Klickitat Co.; 4/10/2011
  • Flora of Eastern Washington Image: Toxicodendron radicans
    Along Hwy 22 SE of Toppenish, WA 0.1 mi SE of Plank Rd; 46.30840N 120.20711W – Yakima Co. – 5/30/2010
  • Flora of Eastern Washington Image: Toxicodendron radicans
    Near the south edge of Kepple Lake on the Turnbull National Wildlife Refuge S. of Cheney, WA – Spokane Co. – Late fall
  • Flora of Eastern Washington Image: Toxicodendron radicans
    Along cliff base just S of Lower Granite Dam on the Snake River; N 46.65687 W 117.43178; Garfield Co., WA; 4/24/2015
  • Flora of Eastern Washington Image: Toxicodendron radicans
    Rock Crk Rd between Bickleton/Goldendale, WA Hwy and Hwy 14. Ca 100 yds N of Bridge at Cross Crk (Roscoe).; N 45.80584 W 120.50885; Klickitat Co.; 4/10/2011
  • Flora of Eastern Washington Image: Toxicodendron radicans
    Along Rogersburg rd 0.68 mi E of Joseph Crk rd; 1.3 air mi SW of Rogersburg, WA; N 46.06173 W 116.99304; Asotin Co.; 6/4/2018
  • Flora of Eastern Washington Image: Toxicodendron radicans
    Along Rogersburg rd 0.68 mi E of Joseph Crk rd; 1.3 air mi SW of Rogersburg, WA; N 46.06173 W 116.99304; Asotin Co.; 6/4/2018