Print Report
CEGL003442 Populus tremuloides / Carex aquatilis Riparian Forest
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Quaking Aspen / Water Sedge Riparian Forest
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This is a local wetland forest reported only from northeastern Oregon. It is known from moist, flat basins at moderate elevations in the mountains. Stands have seasonally wet, fine-textured mineral soils with evident mottling in a layer 74 cm (29 inches) below the soil surface. Populus tremuloides is the dominant tree. Picea engelmannii can be a codominant. Pinus contorta may be present with low cover. The understory, which has no shrubs, is dominated by graminoids, with Carex aquatilis var. aquatilis and Calamagrostis canadensis codominant, and Deschampsia cespitosa, Elymus glaucus, Glyceria striata, Carex jonesii, Carex deweyana, and Juncus nevadensis present. Exotics include Phleum pratense and Poa pratensis. Forbs present include Veratrum viride, Pedicularis groenlandica, Symphyotrichum foliaceum, Canadanthus modestus, Senecio serra, and Geum macrophyllum.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: There are only two plots of this type, but it is clearly distinct from the more common ~Populus tremuloides / Calamagrostis canadensis Riparian Forest (CEGL000574)$$. However, until more sites are found, the relationship to Picea engelmannii forest types will be unclear.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: Populus tremuloides is the dominant tree. Picea engelmannii can be a codominant. Pinus contorta may be present with low cover. The understory, which has no shrubs, is dominated by graminoids, with Carex aquatilis var. aquatilis and Calamagrostis canadensis codominant, and Deschampsia cespitosa, Elymus glaucus, Glyceria striata (= Glyceria elata), Carex jonesii, Carex deweyana, and Juncus nevadensis present. Exotics include Phleum pratense and Poa pratensis. Forbs present include Veratrum viride, Pedicularis groenlandica, Symphyotrichum foliaceum (= Aster foliaceus), Canadanthus modestus (= Aster modestus), Senecio serra, and Geum macrophyllum.
Dynamics: No Data Available
Environmental Description: This wetland forest is known from moist, flat basins at moderate elevations in the mountains. Stands have seasonally wet, fine-textured mineral soils with evident mottling in a layer 74 cm (29 inches) below the soil surface.
Geographic Range: This association is currently known only from the Blue Mountains of eastern Oregon, although it is likely to occur in adjacent areas of Washington.
Nations: US
States/Provinces: OR, WA?
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.688327
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: G1?
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 1 Forest & Woodland Class | C01 | 1 |
| Subclass | 1.B Temperate & Boreal Forest & Woodland Subclass | S15 | 1.B |
| Formation | 1.B.3 Temperate Flooded & Swamp Forest Formation | F026 | 1.B.3 |
| Division | 1.B.3.Nc Rocky Mountain-Great Basin Montane Flooded & Swamp Forest Division | D195 | 1.B.3.Nc |
| Macrogroup | 1.B.3.Nc.1 Engelmann Spruce - Narrowleaf Cottonwood / Red-osier Dogwood Riparian & Swamp Forest Macrogroup | M034 | 1.B.3.Nc.1 |
| Group | 1.B.3.Nc.1.a Engelmann Spruce - Blue Spruce - Narrowleaf Cottonwood Riparian & Swamp Forest Group | G506 | 1.B.3.Nc.1.a |
| Alliance | A3760 Quaking Aspen Riparian Forest Alliance | A3760 | 1.B.3.Nc.1.a |
| Association | CEGL003442 Quaking Aspen / Water Sedge Riparian Forest | CEGL003442 | 1.B.3.Nc.1.a |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Populus tremuloides / Carex aquatilis var. aquatilis Association (Crowe et al. 2004)
= Populus tremuloides / Carex aquatilis (Crowe and Clausnitzer 1997)
= Populus tremuloides / Carex aquatilis (Crowe and Clausnitzer 1997)
- 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.
- 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.
- Titus, J. H., J. A. Christy, D. Vander Schaaf, J. S. Kagan, and E. R. Alverson. 1996. Native wetland, riparian, and upland plant communities and their biota in the Willamette Valley, Oregon. Report to the Environmental Protection Agency, Region X, Seattle, WA. Willamette Basin Geographic Initiative. Oregon Natural Heritage Program, The Nature Conservancy, Portland, OR.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.