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Lichen: from genome to ecosystem in a changing world 1A-P (1A-P11) Submission ID: IAL0219-00002 FIRST ACTIONS ON A PRELIMINARY RED LIST OF VENEZUELAN LICHENS Hernandez J. E. 1 1 Research & Development, Fundacion Instituto Botanico de Venezuela, Caracas, DC, Venezuela Until know, no country in Latin-American has included fungi and lichenized fungi in there red lists. Efforts in fungi conservation and first attempts to create red lists have been done in Cuba, Argentina and Colombia. The conservation of lichens is strongly related to the threat upon the existing vegetation where they exist. Unfortunately in Venezuela a great extent of the natural habitats have been subject to fragmentation processes and general destruction by man. Deforestation is the main factor in the destruction of extensive natural areas with a great variety of habitats for lichens. Tropical forests are continually invaded for urban expansion and agriculture uses. In Venezuela the fragmentation and destruction of ecosystems has reached concerning levels and in some cases has reached points of no return to the original conditions. The destruction of habitats produce fragmentation of the area of distribution which affects the reproduction decreasing the capacity of perpetuation of the species in lichens and other groups. Little is known of the lichen collections in Venezuela. The project objectives include elaborating an inventory of all the existing herbaria in Venezuela outside of the country. All this information was to be introduced in a single database. The red list will be elaborated analyzing the ecological data from the database and the existing information from catalogs and checklists from Venezuela. 17 herbaria in Venezuela have lichen collections. 80% has been introduced in the database. Information from six foreign herbaria was also included. The database has nearly 50 thousand entries. An endemic species lists has been started, plus a preliminary red list for lichens. Threats to natural populations of lichens from Venezuela are being measured on the basis of particularities of geographical distribution, habitat quality and, especially, the possibilities of land transformation and in some cases of missing of large surfaces of land in natural regions of Venezuela. In the process to assigning a degree of threat the methodological approach from IUCN was followed. 88
The 7 th International Association for Lichenology Symposium 2012 (1A-P12) Submission ID: IAL0250-00002 TAXONOMIC STUDIES OF THE LICHEN GENUS TONINIA (LECIDEACEAE, ASCOMYCETES) IN ISFAHAN PROVINCE, IRAN Dahmardeh F. 1 , Balali G. 1 , Sohrabi M. 2 1 Faculty of Science, Department of Biology, University of Isfahan, Isfahan, Iran 2 Botanical Museum, Department of Mycology, University of Helsinki, Helsinki, Finland The lichen genus Toninia (Lecideaceae, Ascomycetes) seems one of the well-studied genera of lichenized fungi in the world which is widely distributed especially in the temperate region, but also is presented in the arctic and subtropical regions of the world. The genus was monographed (by Timdal 1991) and so far 48 species and 9 subspecies were reported worldwide. At present, c. 13 species are known from Iran (see online checklist at www.myco-lich.com) i.e., Toninia aromatica (Sm.) A. Massal., T. athallina (Hepp) Timdal, T. candida (Weber) Th. Fr., T. cinereovirens (Schaerer) A. Massal., T. diffracta (A. Massal.) Zahlbr., T. lutosa (Ach.) Timdal, T. opuntioides (Vill.) Timdal, T. physaroides (Opiz) Zahlbr., T. ruginosa (Tuck.) Herre, T. sedifolia (Scop.) Timdal, T. squalida (Ach.) A. Massal., T. taurica (Szatala) Oxner, T. tristis (Th. Fr.) Th. Fr. and T. weberi Timdal. Some of these species seem to be broadly distributed in the world. Toninia weberi is known from few localities in Iran (mainly Kerman, Semnan and Tehran provinces). However, it was also reported from N. America (Colorado). Some species are widely distributed in Iran. For instance T. candida and T. sedifolia are reported from several provinces in Iran. To date taxonomic studies on the genus Toninia in Iran are lacking. Therefore, we start with a systematic revision of the genus Toninia in Esfahan province in the central part of Iran. The taxonomic study is based mainly on fresh material and compared with some well identified specimens from other regions of Iran. We show preliminary results of our work, including anatomical and morphological characters which are important for the taxonomy of the newly discovered species in the region. We also provide short descriptions, taxonomical notes, and preliminary ecological information and distribution maps for each species. The distribution maps and photographs of the species and their habitat will be appearing at the MYCO-LICH website (www. myco-lich.com). (1A-P13) Submission ID: IAL0267-00001 HERBARIUM OF YEREVAN STATE UNIVERSITY: LICHEN COLLECTION Nanagulyan S. 1 , Shahazizyan I. 1 , Gasparyan A. 1 , Stepanyan A. 1 1 Botany, Yerevan State University, Yerevan, Armenia The Herbarium of Yerevan State University (YSU) has been established in 1923 by the famous Russian botanist A. Shelkovnikov. Nowadays, the herbarium consists of collections of fungi (more than 30,000 specimens of 4,500 species) and higher plants (13,000 specimens of 2,700 species). In comparison with plants and fungi, the lichen flora of Armenia is poorly studied yet. The main outstanding contributors to lichens investigation in Armenia were V. Nikoghosyan, S. Barchalov and A. Abrahamyan, whose studies are the basis for understanding lichen diversity of the country. According to First National Report “Biodiversity of Armenia” (1999) around 300 species (among them 190 species from adjacent areas of Sevan Lake) of lichens have been reported for Armenia. The purpose of this study was to catalogize and to evaluate lichen species preserved in the herbarium of YSU. In the lichen collection of the herbarium of Yerevan State University are deposited specimens collected from 1920 by A. Shelkovnikov, A. Grossgeim (1923), N. Troitsky (1929) etc. In 1960’s large contribution to the herbarium has been done by M. Meliksetyan. The lichen collection contains 415 specimens from research areas of Armenia (Alaverdi, Stepanavan, Sevan, Aragats) and different countries (Russia, Georgia etc.). The lichen collection now includes 150 species belonging to 44 genera. As a result of our study, all specimens were catalogized in an electronic database (with photos). The lichen collection of the herbarium could be the basis for evaluating the lichen diversity, conservation status and listing of threatened species in the Red Book of Armenia. 89 1A-P
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