Print Report
CEGL005566 Tsuga heterophylla - Abies amabilis / Vaccinium alaskaense / Tiarella trifoliata var. unifoliata Forest
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Western Hemlock - Pacific Silver Fir / Alaska Blueberry / Oneleaf Foamflower Forest
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This western hemlock - Pacific silver fir forest of Washington has a canopy dominated by Tsuga heterophylla and/or Abies amabilis (usually both). Abies amabilis occupies over 10% total cover (understory and canopy). Thuja plicata is occasionally prominent. Vaccinium alaskaense dominates the well-developed shrub layer. Rubus spectabilis is usually present. The diverse herb layer is usually well-developed. Blechnum spicant, Tiarella trifoliata var. unifoliata, Streptopus lanceolatus var. curvipes, Athyrium filix-femina, Clintonia uniflora, Cornus unalaschkensis, and Rubus pedatus are usually present. Maianthemum dilatatum sometimes dominates the herb layer. This association occurs at middle elevations in the western Cascades and Olympic Mountains. Sites have moist, well-drained to subirrigated soils in a variety of topographic positions.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: This association is distinguished from similar types by over 3% combined cover of Tiarella trifoliata var. unifoliata, Streptopus lanceolatus var. curvipes, and Maianthemum dilatatum.
Similar NVC Types: No Data Available
note: No Data Available
Physiognomy and Structure: No Data Available
Floristics: No Data Available
Dynamics: No Data Available
Environmental Description: No Data Available
Geographic Range: No Data Available
Nations: US
States/Provinces: WA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.942463
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: G4
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 | A3386 Pacific Silver Fir - Western Hemlock / Sweet After Death Forest Alliance | A3386 | 1.B.2.Nd.3.d |
| Association | CEGL005566 Western Hemlock - Pacific Silver Fir / Alaska Blueberry / Oneleaf Foamflower Forest | CEGL005566 | 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-Tiarella unifoliata-NWW (Henderson et al. 1992)
> Abies amabilis/Vaccinium alaskaense/Maianthemum dilatatum Association (Henderson et al. 1992)
< Abies amabilis/Vaccinium alaskaense/Tiarella unifoliata Association (Henderson et al. 1992)
< Abies amabilis/Vaccinium alaskaense/Tiarella unifoliata Association (Henderson et al. 1989)
? Abies amabilis/Vaccinium alaskaense Association (Bigley and Hull 1995)
? Pseudotsuga menziesii-Tsuga heterophylla/Vaccinium alaskaense/Linnea borealis Community Type (del Moral et al. 1976)
= Tsuga heterophylla-Abies amabilis/Vaccinium alaskaense/Tiarella trifoliata var. unifoliata (Meidinger et al. 2005) [PNWCOAST_240]
= Tsuga heterophylla-Abies amabilis/Vaccinium alaskaense/Tiarella trifoliata var. unifoliata Forest (Crawford et al. 2009)
> Abies amabilis/Vaccinium alaskaense/Maianthemum dilatatum Association (Henderson et al. 1992)
< Abies amabilis/Vaccinium alaskaense/Tiarella unifoliata Association (Henderson et al. 1992)
< Abies amabilis/Vaccinium alaskaense/Tiarella unifoliata Association (Henderson et al. 1989)
? Abies amabilis/Vaccinium alaskaense Association (Bigley and Hull 1995)
? Pseudotsuga menziesii-Tsuga heterophylla/Vaccinium alaskaense/Linnea borealis Community Type (del Moral et al. 1976)
= Tsuga heterophylla-Abies amabilis/Vaccinium alaskaense/Tiarella trifoliata var. unifoliata (Meidinger et al. 2005) [PNWCOAST_240]
= Tsuga heterophylla-Abies amabilis/Vaccinium alaskaense/Tiarella trifoliata var. unifoliata Forest (Crawford et al. 2009)
- Bigley, R., and S. Hull. 1992. Siouxon guide to site interpretation and forest management Washington Department. Natural Resources Division of Forest Land Management, Olympia, WA. 216 pp.
- Bigley, R., and S. Hull. 1995. Draft guide to plant associations on the Olympic Experimental Forest. Washington Department of Natural Resources, Olympia, WA. 50 pp.
- 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., C. B. Chappell, C. C. Thompson, and F. J. Rocchio. 2009. Vegetation classification of Mount Rainier, North Cascades, and Olympic national parks. Plant association descriptions and identification keys: Appendices A-G. Natural Resource Technical Report NPS/NCCN/NRTR--2009/D-586. National Park Service, Fort Collins, CO. 586 pp.
- Green, R. N., and K. Klinka. 1994. A field guide to site interpretation for the Vancouver Forest Region. British Columbia Ministry of Forests. ISSN 0229-1622 Land Management Handbook 28. 285 pp.
- Henderson, J. A., D. A. Peter, R. Lesher, and D. C. Shaw. 1989. Forested plant associations of the Olympic National Forest. R6-ECOL-TP-001-88. USDA Forest Service, Pacific Northwest Region, Portland, OR. 502 pp.
- Henderson, J. A., D. A. Peter, R. Lesher, and D. C. Shaw. 1992. Field guide to forested plant associations of the Mt. Baker-Snoqualmie National Forest. Technical Paper R6-ECOL-TP-028-91. USDA Forest Service, Pacific Northwest Region, Portland, OR. 196 pp.
- Henderson, J. A., D. A. Peter, and R. Lesher. 1986. Preliminary plant associations of the Olympic National Forest. USDA Forest Service, Pacific Northwest Region. 136 pp.
- Meidinger, D., C. Chappell, C. Cadrin, G. Kittel, C. McCain, K. Boggs, J. Kagan, G. Cushon, A. Banner, and T. DeMeo. 2005. International Vegetation Classification of the Pacific Northwest: International correlation of temperate coastal forest plant associations of Oregon, Washington, British Columbia and Alaska. Contributors: B.C. Ministry of Forests, USDA Forest Service, B.C. Conservation Data Centre, Alaska Natural Heritage Program, Washington Natural Heritage Program, and Oregon Natural Heritage Information Center.
- 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.
- del Moral, R., A. F. Watson, and R. S. Fleming. 1976. Vegetation structure in the Alpine Lakes region of Washington State: Classification of vegetation on granitic rocks. Syesis 9:291-316.