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The lichen biota of the Zeysky Nature Reserve (southern Russian Far East) was studied in the course of geobotanical expedition. In total 36 species of lichens and one lichenicolous fungus are reported for the first time for the reserve. Among them 19 are new to the Amur Region. Parmelia asiatica is reported for the first time for the southern Russian Far East, Cladonia norvegica - for the Asian part of Russia, Tuckermannopsis gilva - for Russia, Melanohalea laciniatula - for Asia. Four species are included in the Red Data Book of Russian Federation. [ABSTRACT FROM AUTHOR]

The lichen biota of the Ragusha River (protected area in Leningrad Region) is studied. In total 221 species (211 lichenized, 5 lichenicolous and 5 saprobic fungi) are listed. Lecanora perpruinosa is new to North-Western European Russia. Lathagrium fuscovirens, Pronectria erythrinella, Protoblastenia rupestris, Thelidium minutulum, T. zwackhii and Tremella hypogymniae are reported for the first time for Leningrad Region, and Ochrolechia bahusiensis for Eastern Leningrad Region. The most noteworthy part of lichen biota is the complex of 21 calcicolous lichens. Eleven of them are known in the region only from the Ragusha River valley. [ABSTRACT FROM AUTHOR]

Eight species of lichen-forming, eight lichenicolous and three non-lichenized fungi are reported from the Leningrad Region. Arthonia caerulescens, A. ligniaria, Hawksworthiana peltigericola, Micarea pycnidiophora and Trichonectria rubefaciens are new to Russia; Micarea lutulata, Protoparmelia oleagina and Stictis radiata are new to the North-Western European Russia; Lichenoconium lecanorae, Phaeocalicium populneum, Phaeosporobolus usneae, Ramboldia cinnabarina, Stictis brunnescens and Strigula stigmatella are new to the Leningrad Region. Most noteworthy records are briefly discussed. [ABSTRACT FROM AUTHOR]

The lichen diversity of the proposed protected area Pukhtolova Gora counts 252 species, including 232 lichenized, 12 lichenicolous, and 8 non-lichenized saprobic fungi. Micarea laeta, M. pusilla, and Pyrenidium actinellum s. lat. are new to North-Western European Russia; Parmelia serrana, Rhizocarpon cinereovirens, and Stereocaulon taeniarum are new to St. Petersburg. Altogether 13 species recorded in the study area are red-listed in St. Petersburg, with two of them known only from historical collections. Pukhtolova Gora is an area with a high conservation value; the lichen biota of this area is one of the richest within the city limits due to the well-preserved forest habitats. [ABSTRACT FROM AUTHOR]

We present a lichen checklist for the northern shore of the Gulf of Finland in the limits of St. Petersburg, Russia. This area has diverse lichen biota within the city limits, and has been comprehensively studied since 1893, which gives a good base for analysis of historical changes in lichen diversity. The documented lichen biota comprises 469 species (430 lichenized, 24 lichenicolous, 3 facultatively lichenicolous, and 12 non-lichenized saprobic fungi), of them 191 species are known from herbaria and literature for the period before 1991, and 436 species were recorded since 1991 to 2019. Thirty-three taxa were excluded from the lichen list of the study area as erroneous or dubious records. Altogether 48 species are new to St. Petersburg, including: Lecidea malmeana and Micarea czarnotae - new to Russia; Caloplaca lucifuga, Gyalecta nigricans, Micarea soralifera - new to European Russia; Agonimia flabelliformis, Endococcus verrucosus, Lecania turicensis, Micarea fallax, M. tomentosa, Xanthomendoza huculica - new to Northwestern European Russia; Lichenoconium lichenicola, Ramalina europaea, Sarcogyne hypophaea - not known also from the Leningrad Region. The studied lichen biota is moderately rich compared to other city territories. The history of economic development of the region has caused its serious transformation, degradation of natural habitats and therefore partial loss of lichen diversity. At the same time, human-made substrates and anthropogenic plant communities are inhabited by lichens, including species unknown in the natural habitats of the study area. However, 44 species recorded in the study area are red-listed in St. Petersburg, with 13 of them known only from historical collections. Forest communities, as well as historical parks, in NW part of St. Petersburg are important source of biodiversity on regional level nowadays and hopefully in future, and deserve protection. [ABSTRACT FROM AUTHOR]

We present an updated checklist for Konevets Island (Leningrad Region, Russia). The revealed lichen biota comprises 435 species, including 378 lichens, 46 lichenicolous fungi and 11 non-lichenized saprobic fungi, of which 31 species (27 lichens and 4 lichenicolous fungi) are known only from collections made by Veli Räsänen (1917, 1938). Acremonium hypholomatis is reported for the first time for Russia; Caloplaca soralifera, Trapelia corticola, and Muellerella lichenicola for Northwestern European Russia; and Bacidia vermifera, Lecanora mughicola, Micarea contexta, Pyrenochaeta xanthoriae, Rhizocarpon disporum, Stigmidium squamariae and Xylographa difformis for Leningrad Region. From lichenological point of view, the most valuable habitats of Konevets Island are old-growth spruce forests. The studied lichen biota is rich and diverse and exceptionally wellpreserved in comparison to the mainland part of Karelian Isthmus. It definitely deserves protection. [ABSTRACT FROM AUTHOR]

Twelve species of lichenized and two lichenicolous fungi, and one non-lichenized calicioid fungus are reported from the Leningrad Region (Eastern, Western or Saint-Petersburg). Lecanora norvegica and Opegrapha lamyi are reported for the first time for Russia. Six taxa are also new to the whole Leningrad Region; four, Lecidella flavosorediata, Ochrolechia bahusiensis, Phaeocalicium praecedens and Tremella lichenicola - to North-Western European Russia, and one, the anamorphic lichen Dictyocatenulata alba is new to European Russia. Brief discussions on the species are included. [ABSTRACT FROM AUTHOR]

Twelve lichen species and two lichenicolous fungi, of them seven that belong to Micarea prasina group, are reported for the first time for St. Petersburg or the whole Leningrad Region. The lichenicolous fungus Intralichen baccisporus is new to Russia, and the lichen Micarea nowakii - for European Russia. A comparative table of characteristics for seven species of Micarea prasina group is presented. [ABSTRACT FROM AUTHOR]

Ten lichen species and three lichenicolous fungi are reported for the first time for St. Petersburg, the whole Leningrad Region or its western part. The lichens Bacidina indigens and Lecidella asema are new for European Russia, the lichens Bryoria kuemmerleana, Caloplaca turkuensis, Scoliciosporum pruinosum, and the lichenicolous fungus Raesaenenia huuskonenii are new for North-Western European Russia. [ABSTRACT FROM AUTHOR]

Eight species of lichens and seven lichenicolous fungi are reported for the first time for St. Petersburg, the whole Leningrad Region or its western or eastern parts. The lichen Xylographa septentrionalis is reported for the first time for Russia, Europe and Asia, the lichenicolous fungus Skyttea gregaria is new for Russia, the lichen Xylographa pallens, lichenicolous fungi Didymellopsis collematum and Intralichen lichenicola are new for the North-Western European Russia. The most interesting records are briefly discussed. [ABSTRACT FROM AUTHOR]

Forty-one species of lichens and two lichenicolous fungi are reported from the Pskov Region. Of them, thirty-nine species are new for the region, including Lempholemma dispansum - a rare species with scattered distribution, previously recorded only once in the European Russia in the 19th century. The most important findings are confined to ancient limestone outcrops and old manor parks: these habitats are also promising for further investigations, taking in account high level of anthropogenic transformation of the Pskov Region. [ABSTRACT FROM AUTHOR]

Thirteen species and one variety of lichens, nine lichenicolous and two saprobic fungi are reported for the first time for St. Petersburg, the whole Leningrad Region or its western or eastern parts. The lichens Bacidina brandii, B. neosquamulosa, Porina leptalea, Rinodina aspersa and the lichenicolous fungus Scutula dedicata are reported for the first time for Russia, lichenicolous fungus Lichenoconium aeruginosum - for European Russia, the lichen Tetramelas chloroleucus, lichenicolous fungi Lichenoconium pyxidatae and Tremella cetrariicola are new for the North-Western European Russia. The most interesting records are briefly discussed. [ABSTRACT FROM AUTHOR]

Eighteen species of lichens and five lichenicolous fungi are reported here for the Leningrad Region or Saint Petersburg. Of them, the lichens Absconditella delutula , Calogaya pusilla , Flavoplaca flavocitrina and Rinodina colobina are new for the North-Western European Russia, and the lichenicolous species Abrothallus parmeliarum , Diploschistes muscorum , Lichenochora cf. polycoccoides and Nieslia peltigericola – for the Leningrad Region; Cladonia novochlorophaea and Lichenodiplis lecanorae are reported for the first time for Saint Petersburg. The most noteworthy records are briefly discussed. [ABSTRACT FROM AUTHOR]

Lichens from the genera Thelidium and Verrucaria in the Leningrad Region (including Saint-Petersburg) are revised. Altogether five species of Thelidium and 31 of Verrucaria are confirmed for this region. Four species (Thelidium minimum, T. olivaceum, Verrucaria maculiformis and V. trabalis) are new to the Leningrad Region, and 17 species (Thelidium aphanes, T. fontigenum, Verrucaria christiansenii, V. elevata, V. epilithea, V. helsingiensis, V. illinoisensis, V. inaspecta, V. invenusta, V. lignicola, V. pilosoides, V. polystictoides, V. pseudovirescens, V. rejecta, V. tectorum, V. tornensis and V. transfugiens) are new to Russia. Dubious records for the Leningrad Region include Verrucaria acrotella, V. floerkeana, V. fusca, V. nigrescens, V. obnigrescens, V. umbrinula and V. viridula. [ABSTRACT FROM AUTHOR]

Thirty species of lichens, one lichenicolous fungus and two non-lichenized fungi are reported from the Leningrad Region (Eastern, Western or Saint-Petersburg). Candelaria pacifica, Lecanora compallens, Monodictys epilepraria and Vezdaea retigera are reported for the first time for Russia, Gregorella humida is new to European Russia, Micarea hedlundii and Strangospora microhaema are new to North-Western European Russia. Arctomia delicatula var. acutior, Coenogonium luteum and Lepraria aff. atlantica are new to the Leningrad Region. Brief discussions on most interesting records are included. [ABSTRACT FROM AUTHOR]

A description of the lichen biota of three nature reserves - Kaugatoma-Lõo, Odalätsi and Viieristi reserves in Saaremaa island, Estonia is presented. In total 404 species are listed, of them 228 are recorded from Kaugatoma-Lõo, 169 from Odalätsi and 167 from Viieristi reserves. The composition of the lichen biota of the reserves reflects the availability of habitats (alvar grasslands, sand dunes, different types of forests) in the area. The share of rare and protected species is the highest in Kaugatoma-Lõo reserve because of the rare in Estonia habitats (thin calcium-rich soils) and substrata (lignum of old, dead junipers). Ramalina elegans, previously considered as extinct in Estonia, was re-found from Odalätsi and Viieristi reserves. [ABSTRACT FROM AUTHOR]

Four samples of sterile Caloplaca crusts (Teloschistaceae, lichenized fungi) were determined on the basis of their ITS nrDNA sequences. The samples, collected in NW Russia, mainly from Kotlin Island, Baltic Sea, belong to three species, C. dichroa, C. obscurella and C. phlogina, the first and last species being new to north-western European Russia and to Leningrad region. [ABSTRACT FROM AUTHOR]