Senecio caespitosus 


Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Asterales Compositae

Scientific Name: Senecio caespitosus
Species Authority: Brot.
Senecio doronicum (L.) L. subspecies lusitanicus Cout.
Senecio pyrenaicus L. ex Loefl. subspecies caespitosus (Brot.) Franco

Assessment Information [top]

Red List Category & Criteria: Vulnerable D1 ver 3.1
Year Published: 2013
Date Assessed: 2011-02-25
Assessor(s): Bilz, M.
Reviewer(s): Caldas, F.B. & Lutz, M.L.
This plant is endemic to Portugal where it has a very restricted range with an extent of occurrence of 300 km² and an area of occupancy of 200 km². The main threats are communication networks, skiing complex, and trampling. The total population size is around 500 individuals with an unknown trend and this plant is therefore assessed as Vulnerable.

Geographic Range [top]

Range Description:

This plant is endemic to Portugal. Its extent of occurrence is 300 km² and the area of occupancy is 200 km² (Commission of the European Communities 2009).

Countries occurrence:
Portugal (Portugal (mainland))
Estimated area of occupancy (AOO) - km2: 200
Lower elevation limit (metres): 1600
Upper elevation limit (metres): 1900
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It has been estimated that the population is around 500 individuals with an unknown trend (Commission of the European Communities 2009).
Current Population Trend: Unknown
Additional data:
Number of mature individuals: 500
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: This species is found in rocky areas at high altitude, often in accumulations of loose rock fragments (gravel, moraines). It prefers shady places. It is present in Oro-Iberian siliceous cliffs and temperate-montane acid siliceous screes. This plant grows in the Habitats Directive listed habitat 8130 "Western Mediterranean and thermophilous scree" (Commission of the European Communities 2009).
Systems: Terrestrial

Threats [top]

Major Threat(s): The main threats are communication networks, skiing complex, and trampling (Commission of the European Communities 2009)

Conservation Actions [top]

Conservation Actions: Senecio caespitosus is listed on Annex IV of the Habitats Directive. Information on the population trend is needed.

Citation: Bilz, M. 2013. Senecio caespitosus. The IUCN Red List of Threatened Species 2013: e.T162279A5567985. . Downloaded on 30 November 2015.
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