Quercus dumosa 


Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Fagales Fagaceae

Scientific Name: Quercus dumosa
Species Authority: Nutt.

Assessment Information [top]

Red List Category & Criteria: Endangered A1c+2c ver 2.3
Year Published: 1998
Date Assessed: 1998-01-01
Needs updating
Assessor(s): Nixon, K. <i>et al.</i>
Previously published Red List assessments:
1998 Vulnerable (V)

Geographic Range [top]

Countries occurrence:
Mexico (Baja California); United States (California)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: A number of subpopulations (e.g., Santa Barbara, Hollywood and Griffith Park) have disappeared.
Additional data:

Habitat and Ecology [top]

Habitat and Ecology: Lowland scrub.
Systems: Terrestrial

Threats [top]

Major Threat(s): The habitat of the remaining populations is under threat from pollution and the expansion of urban and industrial areas.

Classifications [top]

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
In-Place Species Management
In-Place Education
1. Residential & commercial development -> 1.1. Housing & urban areas
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

1. Residential & commercial development -> 1.2. Commercial & industrial areas
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

9. Pollution -> 9.5. Air-borne pollutants -> 9.5.4. Type Unknown/Unrecorded
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

Bibliography [top]

Govaerts, R. 1994. Checklist of Quercus species world wide (unpublished).

Nixon, K. 1996. Comments in an email from Allen Coombes to Sara Oldfield concerning the list of threatened Quercus.

Nixon, K., Hess, W., Coombes, A. and Rodriguez, M. 1996. Discussions on the status of Quercus species in the Americas. Regional workshop for the Conservation and Sustainable Management of Trees project.

Oldfield, S., Lusty, C. and MacKinven, A. (compilers). 1998. The World List of Threatened Trees. World Conservation Press, Cambridge, UK.

Citation: Nixon, K. et al.. 1998. Quercus dumosa. The IUCN Red List of Threatened Species 1998: e.T34662A9876870. . Downloaded on 27 November 2015.
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