Print Report
CEGL005565 Tsuga heterophylla - Abies amabilis / Vaccinium alaskaense / Rubus pedatus Forest
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Western Hemlock - Pacific Silver Fir / Alaska Blueberry / Strawberry-leaf Raspberry Forest
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This western hemlock - Pacific silver fir forest of Washington and Oregon has a canopy that is usually codominated by Tsuga heterophylla and Abies amabilis, though any one stand might be dominated by one or the other. Abies amabilis is always present with at least 10% total cover, and typically dominates tree regeneration. Callitropsis nootkatensis, Thuja plicata, or Pseudotsuga menziesii are occasionally prominent. A well-developed shrub layer is always dominated by Vaccinium alaskaense or Vaccinium ovalifolium. The shrubs Menziesia ferruginea, Vaccinium membranaceum, or Vaccinium parvifolium occur frequently but are rarely prominent. A herbaceous layer is always present and characterized by 3% or more combined cover of the following species: Clintonia uniflora, Cornus unalaschkensis, Rubus pedatus, Rubus lasiococcus, or Erythronium montanum (latter is local, others widespread and frequent). Blechnum spicant is often present. This association occurs at middle elevations on the western slopes of the Cascades and in the Olympic Mountains. It is very extensive in areal coverage in moist climatic areas, where it occupies well-drained modal sites.
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: The canopy is usually codominated by Tsuga heterophylla and Abies amabilis, though any one stand might be dominated by one or the other. Abies amabilis is always present with at least 10% total cover, and typically dominates tree regeneration. Callitropsis nootkatensis (= Cupressus nootkatensis), Thuja plicata, or Pseudotsuga menziesii are occasionally prominent. A well-developed shrub layer is always dominated by Vaccinium alaskaense or Vaccinium ovalifolium. The shrubs Menziesia ferruginea, Vaccinium membranaceum, or Vaccinium parvifolium occur frequently but are rarely prominent. A herbaceous layer is always present and characterized by 3% or more combined cover of the following species: Clintonia uniflora, Cornus unalaschkensis, Rubus pedatus, Rubus lasiococcus, or Erythronium montanum (latter is local, others widespread and frequent). Blechnum spicant is often present.
Dynamics: No Data Available
Environmental Description: No Data Available
Geographic Range: No Data Available
Nations: CA,US
States/Provinces: BC, OR, WA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.942462
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G4G5
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.3 Western Hemlock - Sitka Spruce - Redwood Rainforest Macrogroup | M024 | 1.B.2.Nd.3 |
| Group | 1.B.2.Nd.3.d Pacific Silver Fir - Western Hemlock Rainforest Group | G241 | 1.B.2.Nd.3.d |
| Alliance | A3387 Pacific Silver Fir - Western Hemlock / Thinleaf Huckleberry Cold Forest Alliance | A3387 | 1.B.2.Nd.3.d |
| Association | CEGL005565 Western Hemlock - Pacific Silver Fir / Alaska Blueberry / Strawberry-leaf Raspberry Forest | CEGL005565 | 1.B.2.Nd.3.d |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: < Abies amabilis / Vaccinium alaskaense - Clintonia uniflora (Henderson et al. 1992)
< Abies amabilis / Vaccinium alaskaense / Clintonia uniflora (Henderson et al. 1989)
< Abies amabilis / Vaccinium alaskaense / Cornus canadensis (Kagan et al. 2004)
> Abies amabilis / Vaccinium alaskaense / Erythronium montanum (Henderson et al. 1989)
= Tsuga heterophylla-Abies amabilis/Vaccinium alaskaense/Rubus pedatus (Meidinger et al. 2005) [PNWCOAST_239]
= Tsuga heterophylla-Abies amabilis/Vaccinium alaskaense/Rubus pedatus Forest (Crawford et al. 2009) [PNWCOAST_239]
> CWH ds 2 /06 (Green and Klinka 1994)
> CWH mm 2 /05 (Green and Klinka 1994)
> CWH ms 2 /05 (Green and Klinka 1994)
> CWH vm 1 /01 (Banner et al. 1993)
> CWH vm 1 /01 (Green and Klinka 1994)
> CWH ws 1 /01 (Banner et al. 1993)
> CWH ws 1 /05 (Banner et al. 1993)
> CWH ws 2 /01 (Banner et al. 1993)
> CWH ws 2 /01 (Green and Klinka 1994)
> CWH ws 2 /05 (Green and Klinka 1994)
< Abies amabilis / Vaccinium alaskaense / Clintonia uniflora (Henderson et al. 1989)
< Abies amabilis / Vaccinium alaskaense / Cornus canadensis (Kagan et al. 2004)
> Abies amabilis / Vaccinium alaskaense / Erythronium montanum (Henderson et al. 1989)
= Tsuga heterophylla-Abies amabilis/Vaccinium alaskaense/Rubus pedatus (Meidinger et al. 2005) [PNWCOAST_239]
= Tsuga heterophylla-Abies amabilis/Vaccinium alaskaense/Rubus pedatus Forest (Crawford et al. 2009) [PNWCOAST_239]
> CWH ds 2 /06 (Green and Klinka 1994)
> CWH mm 2 /05 (Green and Klinka 1994)
> CWH ms 2 /05 (Green and Klinka 1994)
> CWH vm 1 /01 (Banner et al. 1993)
> CWH vm 1 /01 (Green and Klinka 1994)
> CWH ws 1 /01 (Banner et al. 1993)
> CWH ws 1 /05 (Banner et al. 1993)
> CWH ws 2 /01 (Banner et al. 1993)
> CWH ws 2 /01 (Green and Klinka 1994)
> CWH ws 2 /05 (Green and Klinka 1994)
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- 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.