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A3786 Sierran Alpine Nonvascular Bedrock & Scree Alliance
Type Concept Sentence: Barren and sparsely vegetated bedrock outcrops and scree slopes in alpine zones above 3500 m in the Sierra Nevada and southern California mountain ranges and 2700 m (8200 feet) in the southern Cascade Range.
Common (Translated Scientific) Name: Sierran Alpine Nonvascular Bedrock & Scree Alliance
Colloquial Name: Sierran Alpine Nonvascular Bedrock & Scree
Hierarchy Level: Alliance
Type Concept: Barren and sparsely vegetated bedrock outcrops and scree slopes in alpine zones above 3500 m in the Sierra Nevada and southern California mountain ranges and 2700 m (8200 feet) in the southern Cascade Range.
Diagnostic Characteristics: Sparsely vegetated.
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: Little to no floristic information exists to describe alliances for this group.
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: Sparsely vegetated bedrock outcrops and slopes in the Sierra Nevada and southern California mountain ranges and southern Cascade Range.
Nations: US
States/Provinces: CA, OR?
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.899838
Confidence Level: Low - Poorly Documented
Confidence Level Comments: No Data Available
Grank: GNR
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 4 Polar & High Montane Scrub, Grassland & Barrens Class | C04 | 4 |
| Subclass | 4.B Temperate to Polar Alpine & Tundra Vegetation Subclass | S12 | 4.B |
| Formation | 4.B.1 Temperate & Boreal Alpine Tundra Formation | F037 | 4.B.1 |
| Division | 4.B.1.Nb Western North American Alpine Tundra Division | D043 | 4.B.1.Nb |
| Macrogroup | 4.B.1.Nb.2 Eight-petal Mountain-avens - Blackroot Sedge - Moss Campion Alpine Tundra Macrogroup | M099 | 4.B.1.Nb.2 |
| Group | 4.B.1.Nb.2.c Eight-petal Mountain-avens - Saxifrage species Rocky Mountain Alpine Bedrock & Scree Group | G571 | 4.B.1.Nb.2.c |
| Alliance | A3786 Sierran Alpine Nonvascular Bedrock & Scree Alliance | A3786 | 4.B.1.Nb.2.c |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: No Data Available
- Faber-Langendoen, D., J. Drake, M. Hall, G. Kittel, S. Menard, C. Nordman, M. Pyne, M. Reid, M. Russo, K. Schulz, L. Sneddon, K. Snow, and J. Teague. 2013-2019b. Screening alliances for induction into the U.S. National Vegetation Classification: Part 1 - Alliance concept review. NatureServe, Arlington, VA.