Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Rosales Rosaceae

Scientific Name: Sorbus vexans
Species Authority: E.F.Warb.

Assessment Information [top]

Red List Category & Criteria: Vulnerable D1+2 ver 2.3
Year Published: 1998
Date Assessed: 1998-01-01
Needs updating
Assessor(s): Wigginton, M.J.

Geographic Range [top]

Range Description: Populations occur in a small corridor of coast between Culbone in Somerset and an area just west of Trentishoe in Devon. The species is apomictic.
Countries occurrence:
United Kingdom
Range Map: Click here to open the map viewer and explore range.

Habitat and Ecology [top]

Habitat and Ecology: A small tree, often multi-stemmed from the base. The species grows mainly in oak woodlands.
Systems: Terrestrial

Threats [top]

Major Threat(s): There are no obvious threats to the populations, although inappropriate woodland management and the spread of Rhododendron are potential hazards.

Classifications [top]

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
In-Place Species Management
In-Place Education
7. Natural system modifications -> 7.3. Other ecosystem modifications
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

8. Invasive & other problematic species & genes -> 8.1. Invasive non-native/alien species -> 8.1.2. Named species
♦ timing: Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation
  • 2. Species Stresses -> 2.3. Indirect species effects -> 2.3.2. Competition

Bibliography [top]

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

Tutin, T.G., Heywood, V.H., Burges, N.A., Valentine, D.H., Walters, S.M. and Webb, D.A. (eds) 1995. Flora Europaea Volumes 1-5. Electronic dataset supplied by R.J Pankhurst, Royal Botanic Garden Edinburgh.

Wigginton, M. 1995. British Red Data Books: vascular plants - draft list. Includes old and new IUCN categories (unpublished).

Wigginton, M.J. (ed.) 1999. British Red Data Books. 1 Vascular Plants. 3rd edition. JNCC, Peterborough.

Citation: Wigginton, M.J. 1998. Sorbus vexans. The IUCN Red List of Threatened Species 1998: e.T34725A9885776. . Downloaded on 05 October 2015.
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