Print Report
CEGL002668 Betula occidentalis / Philadelphus lewisii Wet Shrubland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Water Birch / Lewis'' Mock Orange Wet Shrubland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This is a riparian, bottomland association found on seasonal streams to third-order perennial streams, in small, U-shaped to V-shaped, valley bottoms. Occurrences occur at relatively low elevations in the mountains of eastern Oregon and adjacent Idaho. Betula occidentalis forms a low, patchy canopy along the stream, and occasionally spreads out throughout the floodplain with cover ranging from 60-90%. Philadelphus lewisii is found throughout the bottomland, creating shrub thickets with overall cover ranging from 20-40%. Other trees and tall shrubs are rare, but can include Salix species (Salix lemmonii, Salix exigua, Salix geyeriana, or Salix lasiolepis), Cornus sericea, or Crataegus douglasii. Low shrubs (Rosa woodsii, Ribes aureum, Toxicodendron radicans), and graminoids (Elymus glaucus, Carex douglasii, Carex amplifolia, Juncus arcticus ssp. littoralis) dominate the understory, along with some non-native grasses and forbs (Bromus tectorum, Poa pratensis, Verbascum thapsus, and Solanum dulcamara).
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: This association needs crosswalking between stands in Oregon and Idaho to clarify the type.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: Betula occidentalis forms a low, patchy canopy along streams, and occasionally spreads out throughout the floodplain with cover ranging from 60-90%. Philadelphus lewisii is found throughout the bottomland, creating shrub thickets with overall cover ranging from 20-40%. Other trees and tall shrubs are rare, but can include Salix species (Salix lemmonii, Salix exigua, Salix geyeriana, or Salix lasiolepis), Cornus sericea, or Crataegus douglasii. Low shrubs (Rosa woodsii, Ribes aureum, Toxicodendron radicans), and graminoids (Elymus glaucus, Carex douglasii, Carex amplifolia, Juncus arcticus ssp. littoralis (= Juncus balticus)) dominate the understory, along with some non-native grasses and forbs (Bromus tectorum, Poa pratensis, Verbascum thapsus, and Solanum dulcamara).
Dynamics: No Data Available
Environmental Description: This is a riparian, bottomland association found on seasonal streams to third-order perennial streams, in small, U-shaped to V-shaped, valley bottoms. Occurrences occur at relatively low elevations in the mountains of eastern Oregon and adjacent Idaho.
Geographic Range: This type is known from low-elevation riparian areas along the Oregon-Idaho border in the Idaho Batholith ecoregion or in the Owyhee Uplands section of the Columbia Plateau, in both Oregon and Idaho.
Nations: US
States/Provinces: ID, OR, WA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.687933
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G2
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 2 Shrub & Herb Vegetation Class | C02 | 2 |
| Subclass | 2.C Shrub & Herb Wetland Subclass | S44 | 2.C |
| Formation | 2.C.4 Temperate to Polar Freshwater Marsh, Wet Meadow & Shrubland Formation | F013 | 2.C.4 |
| Division | 2.C.4.Nb Western North American Temperate Freshwater Marsh, Wet Meadow & Shrubland Division | D031 | 2.C.4.Nb |
| Macrogroup | 2.C.4.Nb.5 Sitka Alder - Booth''s Willow / Northwest Territory Sedge Montane Marsh, Wet Meadow & Shrubland Macrogroup | M893 | 2.C.4.Nb.5 |
| Group | 2.C.4.Nb.5.d Willow species - Alder species - Water Birch Riparian & Seep Shrubland Group | G527 | 2.C.4.Nb.5.d |
| Alliance | A3772 Water Birch Wet Shrubland Alliance | A3772 | 2.C.4.Nb.5.d |
| Association | CEGL002668 Water Birch / Lewis'' Mock Orange Wet Shrubland | CEGL002668 | 2.C.4.Nb.5.d |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Betula occidentalis / Philadelphus lewisii community type (Crawford 2003) [4 plots]
= Betula occidentalis-Philadelphus lewisii Association (Crowe et al. 2004)
= Betula occidentalis-Philadelphus lewisii Association (Crowe et al. 2004)
- Bourgeron, P. S., and L. D. Engelking, editors. 1994. A preliminary vegetation classification of the western United States. Unpublished report. The Nature Conservancy, Western Heritage Task Force, Boulder, CO. 175 pp. plus appendix.
- Crawford, R. C. 2003. Riparian vegetation classification of the Columbia Basin, Washington. Natural Heritage Report 2003-03. Washington Natural Heritage Program, Washington Department of Natural Resources, Olympia. 98 pp. plus appendices.
- 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]
- IDCDC [Idaho Conservation Data Center]. 2005. Wetland and riparian plant associations in Idaho. Idaho Conservation Data Center, Idaho Department of Fish and Game, Boise. [http://fishandgame.idaho.gov/tech/CDC/ecology/wetland_riparian_assoc.cfm] (accessed 14 June 2005).
- Kagan, J. S., J. A. Christy, M. P. Murray, and J. A. Titus. 2004. Classification of native vegetation of Oregon. January 2004. Oregon Natural Heritage Information Center, Portland. 52 pp.
- ORNHP [Oregon Natural Heritage Program]. No date. Unpublished data files. Oregon Natural Heritage Program, The Nature Conservancy, 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.