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Ribes lacustre - Ribes hudsonianum / Cinna latifolia Wet Shrubland
Translated Name: Prickly Currant - Northern Black Currant / Drooping Woodreed Wet Shrubland
Unique Identifier: CEGL003445
Classification Approach: International Vegetation Classification (IVC)
Summary: This is a riparian, deciduous shrubland found on small to medium-sized streams in mid elevations in the Blue Mountains of Oregon and southeastern Washington. It occurs in the northern half of the Blue Mountains, mostly above the local elevational range of Alnus viridis ssp. sinuata. Valley types are very narrow and V-shaped with moderately steep to very steep side slopes, with valley gradients from moderately steep to very steep. It occurs on floodplains, streambanks, and gravel bars, with boulder, cobble, and gravel predominant. Streams are 0.5-5 m wide with debris affecting 10-50% of the active channel. The soil remains relatively wet throughout the growing season with the sites often flooded during peak runoff. Ribes species form a scattered canopy over a rich mixture of graminoids and wet forbs. Cinna latifolia is generally abundant and is about 1 m tall. Wet forbs include Saxifraga odontoloma, Urtica dioica, Claytonia cordifolia, Aconitum columbianum, Mitella pentandra, and Heracleum maximum. Average height of the herbaceous layer is 53 cm (ranging from 30-79 cm).



Classification

Classification Confidence: Low
Classification Comments: This is a fairly distinctive association described by Crowe and Clausnitzer (1997).

Vegetation Hierarchy
Class 2 - Shrub & Herb Vegetation
Subclass 2.C - Shrub & Herb Wetland
Formation 2.C.4 - Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland
Division 2.C.4.Nb - Western North American Temperate & Boreal Freshwater Marsh, Wet Meadow & Shrubland
Macrogroup Western North American Montane Marsh, Wet Meadow & Shrubland
Group Western Montane-Subalpine Riparian & Seep Shrubland
Alliance Western Non-willow Wet Shrubland

This is the revised vegetation hierarchy. For more information see Classification Sources and usnvc.org.



Related Concepts from Other Classifications

Other Related Concepts
Related Concept Name: Ribes lacustre - Ribes hudsonianum / Cinna latifolia Association
Relationship: = - Equivalent
Reference: Crowe, E. A., B. L. Kovalchik, and M. J. Kerr. 2004. Riparian and wetland vegetation of central and eastern Oregon. Oregon Natural Heritage Information Center, Institute for Natural Resources, Oregon State University, Portland. 473 pp. [http://oregonstate.edu/ornhic/ publications.html]
Related Concept Name: Ribes spp. / Cinna latifolia
Relationship: = - Equivalent
Reference: Crowe, E. A., and R. R. Clausnitzer. 1997. Mid-montane wetland plant associations of the Malheur, Umatilla, and Wallowa-Whitman national forests. Technical Paper R6-NR-ECOL-TP-22-97. USDA Forest Service, Pacific Northwest Region, Portland, OR.

Ecological Systems Placement

Ecological Systems Placement
Ecological System Unique ID Ecological System Name
CES306.832 Rocky Mountain Subalpine-Montane Riparian Shrubland


NatureServe Conservation Status
Global Status: G2 (21Oct2002)
Rounded Global Status: G2 - Imperiled
Reasons: This is a local and rare plant community, restricted to habitats that have been heavily impacted by livestock use. It is known from less than 10 sites, and only a few are in good condition. Most of the sites occur in streams that feed threatened or endangered anadramous fish populations, and may eventually be protected because of these fish. A few of the known sites are found in wilderness or other protected areas. If additional sites were protected, or a policy of keeping livestock completely off riparian habitats were instituted, this would become a G3 association. Also, the type is only known from extreme northeastern Oregon and southeastern Washington. If it is found in central Idaho, its rank could also be dropped to G3.

Distribution
Color legend for Distribution Map
United States Distribution: OR, WApotentially occurs
Global Distribution: United States
Global Range: Currently known from a few sites in the northern Blue Mountains of northeastern Oregon and southeastern Washington, mostly on the Umatilla National Forest.

U.S. Forest Service Ecoregions
Domain Name: Dry Domain
Division Name: Temperate Steppe Regime Mountains
Province Name: Middle Rocky Mountain Steppe - Coniferous Forest - Alpine Meadow Province
Province Code: M332 Occurrence Status: Confident or certain
Section Name: Blue Mountains Section
Section Code: M332G Occurrence Status: Confident or certain


Vegetation

Vegetation Summary: Ribes species form a scattered canopy over a rich mixture of graminoids and wet forbs. Cinna latifolia is generally abundant and is about 1 m tall. Wet forbs include Saxifraga odontoloma (= Saxifraga arguta), Urtica dioica, Claytonia cordifolia (= Montia cordifolia), Aconitum columbianum, Mitella pentandra, and Heracleum maximum (= Heracleum lanatum). Average height of the herbaceous layer is 53 cm (ranging from 30-79 cm).

Vegetation Composition (incomplete)
Species Name Rounded Global Status Growth Form Stratum Charact-
eristic
Dominant Constant
Cover Class %
Con-
stancy
%
Ribes hudsonianum G2 Broad-leaved deciduous shrub Short shrub/sapling  
 
 
Ribes lacustre G2 Broad-leaved deciduous shrub Short shrub/sapling  
 
 
Cinna latifolia G2 Graminoid Herb (field)  
 
 


Environmental Setting

Wetland Indicator: Y
Environmental Summary: This is a riparian, deciduous shrubland found on small to medium-sized streams in mid elevations in the Blue Mountains of Oregon and southeastern Washington. It occurs in the northern half of the Blue Mountains, mostly above the local elevational range of Alnus viridis ssp. sinuata. Valley types are very narrow and V-shaped with moderately steep to very steep side slopes, with valley gradients from moderately steep to very steep. It occurs on floodplains, streambanks, and gravel bars, with boulder, cobble, and gravel predominant. Streams are 0.5-5 m wide with debris affecting 10-50% of the active channel. The soil remains relatively wet throughout the growing season with the sites often flooded during peak runoff.


Dynamic Processes


Plot Sampling & Classification Analysis

Plots stored in VegBank


Authors/Contributors
Concept Author(s): E. Crowe and R. Clausnitzer (1997)
Element Description Edition Date: 21Oct2002
Element Description Author(s): J. Kagan
NatureServe Conservation Status Factors Edition Date: 21Oct2002
NatureServe Conservation Status Factors Author(s): J. Kagan

Ecological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).


References
  • Crowe, E. A., B. L. Kovalchik, and M. J. Kerr. 2004. Riparian and wetland vegetation of central and eastern Oregon. Oregon Natural Heritage Information Center, Institute for Natural Resources, Oregon State University, Portland. 473 pp. [http://oregonstate.edu/ornhic/ publications.html]

  • Crowe, E. A., and R. R. Clausnitzer. 1997. Mid-montane wetland plant associations of the Malheur, Umatilla, and Wallowa-Whitman national forests. Technical Paper R6-NR-ECOL-TP-22-97. USDA Forest Service, Pacific Northwest Region, Portland, OR.

  • WNHP [Washington Natural Heritage Program]. 2018. Unpublished data files. Washington Natural Heritage Program, Department of Natural Resources, Olympia, WA.

  • Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.


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