A Comparative Study of Diversity and Distribution of Lichens in different areas of southern Syria

Abstract

The lichens specimens which obtained between April and September through three years 2017 -2019   were collected and their distribution was determined in eight different locations chosen from the regions of southern Syria: Malola, Zarzar Valley, Meysalon, Dimas, Bet Jien, Jebatael Khashab, Rakkad valley and Qanawat. The species were studied in terms of morphological aspects, as it was found that there are 23 species belonging to 18 genera and all of them belonging to the division of ascomycota, distributed among 14 families, belonging to 5 orders, and these orders belong to three classes, the species were distributed as follows: Lecanoromycetes is the most abundant with three orders were: Lecanorales, which included 8 families, to which 10 genera include 11 species. The order of Teloschistales, which included 3 families, include 6 genera, which have 9 species. And the order of Peltigerales that included one family include one genera which has one species. ascomycetes: inclusion one order, Pertusariales, of which one family include one genera, which has one species. While the Eurotiomycetes included one order, Verrucariales, which included one family include one genera which has one species. The species in these areas were compared in terms of distribution and abundance .