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CEGL005773 Prunus fasciculata - Ambrosia eriocentra Desert Wash Shrubland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Desert Almond - Woolly-fruit Bur-ragweed Desert Wash Shrubland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This association is found at mid to upper elevations in the Mojave Desert in California. Vegetation is characterized by an open to moderately dense, often patchy shrub canopy (8-36% cover) codominated by Prunus fasciculata and Ambrosia eriocentra with Salvia dorrii present to codominant. Other shrubs frequently present include Acacia greggii, Cylindropuntia acanthocarpa, Eriogonum fasciculatum, Hymenoclea salsola, and Senna armata. Occasional emergent Juniperus osteosperma, Pinus monophylla, or Yucca brevifolia trees are sometimes present. If present, the herbaceous layer is sparse to moderate, ranging up to 18% cover. Commonly associated native grasses and forbs include Amsinckia spp., Penstemon palmeri, Salvia columbariae, Senecio flaccidus, Sphaeralcea ambigua and Stephanomeria pauciflora, and exotic annuals include Bromus rubens and Erodium cicutarium. Stands are found in drainage channels and arroyos at 1100-1510 m elevation. Sites are on gentle slopes on variable aspects. Soils include sands and sandy loams and are derived from a variety of substrates such as alluvium, gneiss, granite, granodiorite, and rhyolite.
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: Vegetation is characterized by an open to moderately dense, often patchy shrub canopy (8-36% cover) codominated by Prunus fasciculata and Ambrosia eriocentra with Salvia dorrii present to codominant (Evens 2000, Evens et al. 2014). Other shrubs frequently present include Acacia greggii, Cylindropuntia acanthocarpa, Eriogonum fasciculatum, Hymenoclea salsola, and Senna armata (Evens 2000, Evens et al. 2014). Occasional emergent Juniperus osteosperma, Pinus monophylla, or Yucca brevifolia trees are sometimes present. If present, the herbaceous layer is sparse to moderate, ranging up to 18% cover. Commonly associated native grasses and forbs include Amsinckia spp., Penstemon palmeri, Salvia columbariae, Senecio flaccidus, Sphaeralcea ambigua, and Stephanomeria pauciflora, and exotic annuals include Bromus rubens and Erodium cicutarium (Evens 2000, Evens et al. 2014).
Dynamics: No Data Available
Environmental Description: This association is found at mid to upper elevations in the Mojave Desert in California. It is found in drainage channels and arroyos at 1100-1510 m elevation (Evens 2000, Evens et al. 2014). Sites are gentle slopes (to 6°) on variable aspects. Soils include sands and sandy loams and are derived from a variety of substrates such as alluvium, gneiss, granite, granodiorite, and rhyolite (Evens 2000, Evens et al. 2014).
Geographic Range: This association is found at mid to upper elevations in the Mojave Desert in California and was sampled in Mojave National Preserve and Castle Mountains National Monument.
Nations: US
States/Provinces: CA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.971760
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.A Warm Desert & Semi-Desert Woodland, Scrub & Grassland Subclass | S06 | 3.A |
| Formation | 3.A.2 Warm Desert & Semi-Desert Scrub & Grassland Formation | F015 | 3.A.2 |
| Division | 3.A.2.Na North American Warm Desert Scrub & Grassland Division | D039 | 3.A.2.Na |
| Macrogroup | 3.A.2.Na.7 North American Warm-Desert Xeric-Riparian Scrub Macrogroup | M092 | 3.A.2.Na.7 |
| Group | 3.A.2.Na.7.a Desert-willow - Apache Plume - Desert Almond Desert Wash & Colluvial Slope Group | G541 | 3.A.2.Na.7.a |
| Alliance | A4185 Desert Almond - Mexican Bladdersage Northern Mojave Desert Wash Scrub Alliance | A4185 | 3.A.2.Na.7.a |
| Association | CEGL005773 Desert Almond - Woolly-fruit Bur-ragweed Desert Wash Shrubland | CEGL005773 | 3.A.2.Na.7.a |
Concept Lineage: No Data Available
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Prunus fasciculata - Ambrosia eriocentra (Sawyer et al. 2009) [33.300.05]
= Prunus fasciculata-Ambrosia eriocentra Association (Evens et al. 2014)
= Prunus fasciculata/Ambrosia eriocentra (Arroyo wash association) (Evens 2000)
= Prunus fasciculata-Ambrosia eriocentra Association (Evens et al. 2014)
= Prunus fasciculata/Ambrosia eriocentra (Arroyo wash association) (Evens 2000)
- Evens, J. M. 2000. Water course vegetation on granite and calcareous substrates in the eastern Mojave Desert, California. Master''s thesis, Humboldt State University, Arcata, CA.
- Evens, J. M., K. Sikes, D. Hastings, and J. Ratchford. 2014. Vegetation alliance descriptions for Lake Mead National Recreation Area, Death Valley National Park and Mojave National Preserve. Unpublished report submitted to USDI National Park Service, Mojave Desert Network Inventory and Monitoring Program. California Native Plant Society, Sacramento, CA.
- 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.