Skip to main content

Table 3 Threatened tree taxa sensu IUCN Red List categories (CR, EN, VU, NT) (IUCN 2018) occurring in the Mediterranean-European region (in brackets the distribution outside the study area)

From: What is a tree in the Mediterranean Basin hotspot? A critical analysis

Threatened tree taxa RedList status RedList criteria RedList version Year published Global populations’ trends (IUCN) Distribution Comments related to the study area
Abies nebrodensis CR A2cd 3,1 2017 increasing Sicily Very narrow endemic to Sicily; 32 adult trees in the unique natural population
Zelkova sicula CR B1ab(iii) + 2ab(iii) 3,1 2017 stable Sicily Narrow endemic of SE Sicily (Mts. Iblei)
Abies pinsapo EN B1ab(iii) + 2ab(iii) 3,1 2018 stable Spain Narrow distribution in S. Spain (Andalusia), in three isolated ranges included in protected areas
Betula pendula subsp. fontqueri EN B1 + 2 ac 2.3 1998   Spain (Morocco) Present in Central and South Spain and, outside the study are, a very narrow range in N. Morocco (Rif mountains)
Cytisus aeolicus EN B1ab(iii,v) + 2ab(iii,v) 3,1 2017 decreasing Sicily Narrow endemic to Sicily, on the Aeolian islands of Vulcano, Stromboli and Alicudi
Liquidambar orientalis EN A2c 3,1 2018 stable Greece (Turkey) Tertiary relict restricted to a small valley in Rhodos
Pinus nigra subsp. dalmatica EN B1ab(iii,v) + 2ab(iii,v) 3,1 2013 decreasing Croatia Narrow endemic of Pelješac penninsula and some islands (Brac, Hvar and Korcula) of the Adriatic Sea
Rhamnus persicifolia EN B1ab(iii,v) + 2ab(iii,v) 3,1 2017 decreasing Sardinia Narrow endemic of CE Sardinia (Gennargentu and Supramonte massifs)
Zelkova abelicea EN B1ab(iii) + 2ab(iii) 3,1 2012 decreasing Crete Narrow endemic of Crete
Aesculus hippocastanum VU C2a(i) 3,1 2017 decreasing Albania, Greece, Macedonia (Bulgaria) A Tertiary relict on the Balkan Peninsula, with main occurrence in Greece; present in two protected areas in Macedonia: the National Park Mavrovo and Galichica
Cedrus libani subsp. brevifolia VU B2ab(ii,iii,v) 3,1 2013 decreasing Cyprus Endemic to Cyprus; restricted to a small area in Pafos forest (900–1400 m)
Prunus lusitanica subsp. lusitanica VU B2ab(ii,v) 3,1 2011 decreasing Portugal, Spain (SW. France) Populations in isolated ranges in C and N Portugal an C and N Spain; outside the study area, there are small populations in Morocco (W. Rif and Middle Atlas)
Salix xanthicola VU B1ab(iii,v) + 2ab(iii,v) 3,1 2017 decreasing Greece (Bulgaria) Endemic to the Balkan Peninsula occurring only in NE Greece and Bulgaria; distribution area fairly small and restricted to western Thrace of the Balkan Peninsula
Searsia tripartita VU D1 3,1 2017 unknown Sicily Restricted in the SE part of Sicily, perhaps introduced during the Antiquity
Sorbus latifolia VU B1ab(iii) 3,1 2017 stable Portugal, Spain, (France) Present in C Portugal and isolated ranges in C and NE Spain; species of hybrid origin, with rare sexual reproduction.
Tamarix boveana VU B2ab(iii,iv,v) 3,1 2018 decreasing Balearic Is., E Spain (North Africa) Small and isolated populations
Fraxinus excelsior NT   3,1 2018 decreasing Albania, Croatia, France, Greece, Italy, Macedonia, Montenegro, Sicily, Slovenia, Spain (Europe) A medio-European tree, quite common in the northern limit of the Mediterranean region (sub-Mediterranean transition zone)
Pistacia atlantica NT   3,1 2018 decreasing Cyprus, Greece (North Africa, Middle East) Widespread in the Mediterranean area and SW Asia; only of regional occurrence in Greece and scattered in Cyprus
Phoenix theophrasti NT   2,3 1998 decreasing Cyprus, Greece (Turkey) East-Mediterranean element with its main populations on the island of Crete; some additional small stands occur elsewhere in the S Aegean area and in the Datça Peninsula of SW Anatolia
Quercus aucheri NT   2,3 1998   Greece (Turkey) East-Mediterranean element occurring to a relatively small area in the East Aegean Islands and SW Anatolia