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CEGL000458 Pseudotsuga menziesii / Symphoricarpos albus / Hieracium cynoglossoides Forest
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Douglas-fir / Common Snowberry / Hound''s-tongue Hawkweed Forest
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This forest association is known from the eastern side of the Cascades around Mount Hood and is reported from three sites in the Columbia River Gorge. It is indicative of hot and dry conditions. It occurs between the moist Abies grandis zone at higher elevations and the dry Pinus ponderosa - Quercus garryana below. Soils are fairly deep loams and fine sandy loams. It is found at elevations between 723 and 930 m (2370-3050 feet) on slopes between 2 and 36%. Aspects are most commonly northern or eastern. It can be described as a fairly dense assemblage of Pseudotsuga menziesii contributing an average of 58% canopy cover. Pinus ponderosa occurs sporadically, along with Quercus garryana and Abies grandis. Understory plant cover is sparse with Symphoricarpos albus accounting for most of it. Another common shrub is Mahonia repens. Osmorhiza sp. is the only forb present in all the plots. Forbs and grasses usually present include Hieracium cynoglossoides, Lathyrus nevadensis, Festuca idahoensis, and Festuca occidentalis.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: No Data Available
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: This forest is a fairly dense assemblage of Pseudotsuga menziesii contributing an average of 58% canopy cover. Pinus ponderosa occurs sporadically (8%). Both Quercus garryana and Abies grandis support 4% and 3% cover, respectively, in about half the plots. Understory plant cover is sparse with Symphoricarpos albus accounting for most cover at 4%. Another common shrub is Mahonia repens (= Berberis repens) (2%). Osmorhiza sp. (3%) is the only forb present in all the plots. Forbs and grasses usually present include Hieracium cynoglossoides (2%), Lathyrus nevadensis (3%), Festuca idahoensis, and Festuca occidentalis (1%).
Dynamics: No Data Available
Environmental Description: This forest association is known from the eastern side of the Cascades around Mount Hood and is reported from three sites in the Columbia River Gorge. It is indicative of hot and dry conditions. It occurs between the moist Abies grandis zone at higher elevations and the dry Pinus ponderosa - Quercus garryana below. Soils are fairly deep loams and fine sandy loams. It is found at elevations between 723 and 930 m (2370-3050 feet) on slopes between 2 and 36%. Aspects are most commonly northern or eastern.
Geographic Range: It is local on the Barlow Ranger District of Mount Hood National Forest, and on isolated spots in the Columbia River Gorge.
Nations: US
States/Provinces: CA?, OR, WA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.688310
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: G2
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.2 Cool Temperate Forest & Woodland Formation | F008 | 1.B.2 |
| Division | 1.B.2.Nd Vancouverian Forest & Woodland Division | D192 | 1.B.2.Nd |
| Macrogroup | 1.B.2.Nd.1 Southern Vancouverian Dry Foothill Forest & Woodland Macrogroup | M886 | 1.B.2.Nd.1 |
| Group | 1.B.2.Nd.1.b Oregon White Oak - Ponderosa Pine - Douglas-fir Forest & Woodland Group | G206 | 1.B.2.Nd.1.b |
| Alliance | A3328 Oregon White Oak - Douglas-fir / Pacific Poison-oak Forest & Woodland Alliance | A3328 | 1.B.2.Nd.1.b |
| Association | CEGL000458 Douglas-fir / Common Snowberry / Hound''s-tongue Hawkweed Forest | CEGL000458 | 1.B.2.Nd.1.b |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Populus tremuloides / Symphoricarpos albus (Crowe and Clausnitzer 1997)
= Pseudotsuga menziesii / Symphoricarpos albus Association (Crowe et al. 2004)
= Pseudotsuga menziesii / Symphoricarpos albus Association (Crowe et al. 2004)
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- Titus, J. H., M. Kerr, E. Crowe, and B. Kovalchik. 1998. Riparian zones of eastern Oregon. Oregon Natural Heritage Program, Portland.
- Topik, C., N. M. Halverson, and T. High. 1988. Plant associations and management guide of the ponderosa pine, Douglas-fir, and grand fir zone, Mt. Hood National Forest. R6-ECOL-TP-004-88. USDA Forest Service, Pacific Northwest Region, Portland, OR. 136 pp.
- 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.