Print Report
CEGL002853 Juglans californica / Ceanothus spinosus Riparian Woodland
Type Concept Sentence: No Data Available
Common (Translated Scientific) Name: Southern California Walnut / Redheart Riparian Woodland
Colloquial Name: No Data Available
Hierarchy Level: Association
Type Concept: This woodland association occurs on somewhat steep to steep slopes, usually on northeast aspects, at low elevations between 193 and 616 m. It is dominated by Juglans californica in the tree layer, Ceanothus spinosus in the understory shrub layer, and a mixture of grasses and forbs in the herbaceous layer.
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: Stands of this association at Santa Monica Mountains National Recreation Area form a sparse to intermittent tree layer (7-33%, mean 15.4%) with hardwoods at 2-10 m tall, a sparse to intermittent shrub layer (9-50%, mean 37.2%) at 0-5 m tall, and a sparse to open herbaceous layer (0-12%, mean 2.2%) at 0-2 m tall. Total vegetation cover is 38-66%; mean cover is 54.6%. In this association, the tree layer is dominated by Juglans californica. Quercus agrifolia is frequently included in this layer. The shrub layer is sparse to intermittent and is dominated by Ceanothus spinosus, though Heteromeles arbutifolia is frequently present at lower cover. Occasionally, Rhus ovata, Malosma laurina, Diplacus aurantiacus (= Mimulus aurantiacus), Ceanothus megacarpus, and Sambucus nigra ssp. cerulea (= Sambucus mexicana) are also included. The herbaceous layer is simple and composed of a mixture of grass and forb species at low cover such as Leymus condensatus, Marah macrocarpus, and Melica imperfecta.
Dynamics: No Data Available
Environmental Description: This association has only been described from the Santa Monica Mountains National Recreation Area. Until further inventory is completed, there is no global information.
Geographic Range: This association is only known from the Santa Monica Mountains region. Information about its global distribution is not available without additional inventory.
Nations: US
States/Provinces: CA
Plot Analysis Summary:
http://vegbank.org/natureserve/ELEMENT_GLOBAL.2.788576
Confidence Level: Moderate
Confidence Level Comments: No Data Available
Grank: G3
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.3 Temperate Flooded & Swamp Forest Formation | F026 | 1.B.3 |
| Division | 1.B.3.Nd Western North American Interior Flooded Forest Division | D013 | 1.B.3.Nd |
| Macrogroup | 1.B.3.Nd.2 Interior Warm & Cool Desert Riparian Forest Macrogroup | M036 | 1.B.3.Nd.2 |
| Group | 1.B.3.Nd.2.b Western Interior Riparian Forest & Woodland Group | G797 | 1.B.3.Nd.2.b |
| Alliance | A3750 California Sycamore - California Live Oak - Southern California Walnut Riparian Woodland Alliance | A3750 | 1.B.3.Nd.2.b |
| Association | CEGL002853 Southern California Walnut / Redheart Riparian Woodland | CEGL002853 | 1.B.3.Nd.2.b |
Concept Lineage: This placeholder is replaced by several types described from SAMO (Keeler-Wof and Evens 2005).
Predecessors: No Data Available
Obsolete Names: No Data Available
Obsolete Parents: No Data Available
Synonomy: = Juglans californica / Ceanothus spinosus (Sawyer et al. 2009) [72.100.05]
= Juglans californica/Ceanothus spinosus Woodland/Forest Association (Keeler-Wolf and Evens 2006)
< California Walnut Woodland (#71210) (Holland 1986b)
= Juglans californica/Ceanothus spinosus Woodland/Forest Association (Keeler-Wolf and Evens 2006)
< California Walnut Woodland (#71210) (Holland 1986b)
- Holland, R. F. 1986b. Preliminary descriptions of the terrestrial natural communities of California. Unpublished report prepared for the California Department of Fish and Game, Nongame-Heritage Program and Natural Diversity Database, Sacramento. 156 pp.
- Keeler-Wolf, T., and J. Evens. 2006. Vegetation classification of the Santa Monica Mountains National Recreation Area and environs in Ventura and Los Angeles counties, California. A report submitted to National Park Service, Santa Monica Mountains National Recreation Area by California Department of Fish and Game, Wildlife and Habitat Data Analysis Branch and The California Native Plant Society, Vegetation Program, 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.