|Scientific Name:||Lactuca tetrantha|
|Species Authority:||B. L. Burtt & P. H. Davis|
Scariola tetrantha (B. L. Burtt & P. H. Davis) Soják
|Taxonomic Notes:||Lactuca tetrantha B.L. Burtt & P.H. Davis is a tertiary wild relative of lettuce, L. sativa L.|
|Red List Category & Criteria:||Vulnerable D2 ver 3.1|
|Assessor(s):||Kyratzis, A., Christodoulou, C.S., Kailis, C., Papasavvas, C. & Tsintides, T.|
|Reviewer(s):||Cuttelod, A. & Nieto, A.|
|Contributor(s):||Kyratzis, A., Kell, S.P. & Hargreaves , S.|
Lactuca tetrantha is restricted to a few localities in the Troodos mountains of Cyprus. Although it occurs within Troodos National Forest Park, which is a Natura 2000 site, it is threatened by tourist activities and road and trail maintenance. It is estimated to comprise only 1,000–1,500 mature individuals and to have an area of occupancy (AOO) of no more than 20 km2. It is therefore assessed as Vulnerable.
|Range Description:||L. tetrantha is endemic to Cyprus where it is restricted to Troodos National Forest Park (Tsintides et al. 2007). The area of occupancy (AOO) is no more than 20 km2.|
|Estimated area of occupancy (AOO) - km2:||0-20|
|Lower elevation limit (metres):||1520|
|Upper elevation limit (metres):||1920|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||This species occurs as scattered plants around the highest point of Troodos mountain (Chionistra). The overall population is estimated to comprise 1,000–1,500 plants.|
|Current Population Trend:||Decreasing|
|Habitat and Ecology:||It is found on dry, igneous slopes, at an altitudinal range of 1,520–1,920 m, and in rocky places in large openings in Pinus nigra ssp. pallasiana and Juniperus foetidissima woodland (Tsintides et al. 2007).|
|Continuing decline in area, extent and/or quality of habitat:||No|
|Use and Trade:||It is a tertiary wild relative of and potential gene donor to lettuce, L. sativa.|
|Major Threat(s):||This species is threatened by trail maintenance, trampling and over-collection (Tsintides et al. 2007). A subpopulation at Chionistra was partly destroyed some years ago by telecommunication and military works.|
It is found in Troodos National Forest which is a NATURA 2000 site (Tsintides et al. 2007).
No germplasm accessions of L. tetrantha are reported by EURISCO to be held in European genebanks (EURISCO Catalogue 2010). However, some material is known to be conserved ex situ.
|Citation:||Kyratzis, A., Christodoulou, C.S., Kailis, C., Papasavvas, C. & Tsintides, T. 2013. Lactuca tetrantha. The IUCN Red List of Threatened Species 2013: e.T172257A6858989. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T172257A6858989.en . Downloaded on 10 October 2015.|
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