Print Report
CEGL003481 Purshia tridentata - Artemisia tridentata - Tetradymia canescens Shrubland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Antelope Bitterbrush - Big Sagebrush - Spineless Horsebrush Shrubland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This shrubland association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. This association typically grows on lower slopes that vary from gentle to steep. Aspects are south and east, and elevations range from 2070-2410 m (6800-7900 feet). Soils are sand to silt loams derived from igneous or metamorphic rocks. This association is characterized by an intermittent shrub canopy codominated by Artemisia tridentata ssp. tridentata and Purshia tridentata with a small amount of Tetradymia canescens. The canopy is generally less than 1 m in height. Trace amounts of several herbaceous species may be present, primarily Lupinus argenteus, Phacelia ramosissima, Castilleja applegatei, and/or Balsamorhiza sagittata. Many graminoid species also provide trace amounts of cover and may include Elymus elymoides, Achnatherum hymenoides, Bromus tectorum (exotic), Hesperostipa comata, and/or Leymus cinereus.
Diagnostic Characteristics: No Data Available
Rationale for Nominal Species or Physiognomic Features: No Data Available
Classification Comments: The subspecies of Artemisia tridentata in this association is likely to be Artemisia tridentata ssp. vaseyana.
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: This association is currently only known from scattered locations east of the Sierra Nevada crest in Yosemite National Park in California. It is also reported from John Day Fossil Beds in Oregon. Additional range information will be added as it becomes available.
Nations: US
States/Provinces: CA, OR
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.688671
Confidence Level: Low
Confidence Level Comments: No Data Available
Grank: GNR
Greasons: No Data Available
| Type | Name | Database Code | Classification Code |
|---|---|---|---|
| Class | 3 Desert & Semi-Desert Class | C03 | 3 |
| Subclass | 3.B Cool Semi-Desert Scrub & Grassland Subclass | S11 | 3.B |
| Formation | 3.B.1 Cool Semi-Desert Scrub & Grassland Formation | F033 | 3.B.1 |
| Division | 3.B.1.Ne Western North American Cool Semi-Desert Scrub & Grassland Division | D040 | 3.B.1.Ne |
| Macrogroup | 3.B.1.Ne.3 Big Sagebrush - Threetip Sagebrush - Antelope Bitterbrush Steppe & Shrubland Macrogroup | M169 | 3.B.1.Ne.3 |
| Group | 3.B.1.Ne.3.b Basin Big Sagebrush - Threetip Sagebrush - Antelope Bitterbrush Big Sagebrush Steppe & Shrubland Group | G302 | 3.B.1.Ne.3.b |
| Alliance | A3179 Antelope Bitterbrush - Big Sagebrush Mesic Steppe & Shrubland Alliance | A3179 | 3.B.1.Ne.3.b |
| Association | CEGL003481 Antelope Bitterbrush - Big Sagebrush - Spineless Horsebrush Shrubland | CEGL003481 | 3.B.1.Ne.3.b |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Purshia tridentata - Artemisia tridentata - Tetradymia canescens (Sawyer et al. 2009) [35.200.01]
= Purshia tridentata - Artemisia tridentata - Tetradymia canescens Shrubland [Provisional] (Keeler-Wolf et al. 2012)
= Purshia tridentata - Artemisia tridentata - Tetradymia canescens Shrubland [Provisional] (Keeler-Wolf et al. 2012)
- Keeler-Wolf, T., M. Schindel, S. San, P. Moore, and D. Hickson. 2003a. Classification of the vegetation of Yosemite National Park and surrounding environs in Tuolumne, Mariposa, Madera and Mono counties, California. Unpublished report by NatureServe in cooperation with the California Native Plant Society and California Department of Fish and Game, Wildlife and Habitat Data Analysis Branch, Sacramento, CA.
- Keeler-Wolf, T., P. E. Moore, E. T. Reyes, J. M. Menke, D. N. Johnson, and D. L. Karavidas. 2012. Yosemite National Park vegetation classification and mapping project report. Natural Resource Technical Report NPS/YOSE/NRTR--2012/598. National Park Service, Fort Collins, CO.
- Sawyer, J. O., T. Keeler-Wolf, and J. Evens. 2009. A manual of California vegetation. Second edition. California Native Plant Society, Sacramento CA. 1300 pp.
- Western Ecology Working Group of NatureServe. No date. International Ecological Classification Standard: International Vegetation Classification. Terrestrial Vegetation. NatureServe, Boulder, CO.