Аннотация: В результате обследования 22 видов интродуцированных хвойных растений дендрария Ботанического сада ПетрГУ (Республика Карелия) было выявлено 80 видов и внутривидовых таксонов лишайников и близкородственных грибов. Наибольшее число видов лишайников обнаружено на стволах и ветвях Picea glauca (Moench) Voss (32). Среди выявленных видов 2 вида занесены в Красную книгу Республики Карелия (2007). Рецензент: А. В. Сонина ! Bryoria nadvornikiana (Gyeln.) Brodo & D. Hawksw.на стволах и ветвях Pinus strobus, Pseudotsuga menziesii и деревьев родов Abies и Picea. Bryoria vrangiana (Gyeln.) Brodo & D. Hawksw.на ветвях Picea glauca. Buellia erubescens Arnold -на стволе Abies concolor. Calicium pinastri Tibellна стволах деревьев рода Larix. Calicium viride Pers. -на стволе Picea pungens. Candelariella aurella (Hoffm.) Zahlbr. -на ветвях Larix czekanowskii. Candelariella xanthostigma (Ach.) Lettau -на ветвях Larix kaempferi. Catinaria atropurpurea (Schaer.) Vězda & Poeltна стволе Pinus sibirica. Cetraria sepincola (Ehrh.) Ach.на ветвях Pinus pumila. Chaenotheca brunneola (Ach.) Müll. Arg. -на стволе Abies sibirica. Chaenotheca chrysocephala (Turner ex Ach.) Th. Fr.на стволе Picea pungens. Chaenotheca ferruginea (Turner ex Sm.) Mig. -на стволах деревьев родов Larix и Picea. ! Chaenotheca stemonea (Ach.) Müll. Arg.на стволах деревьев рода Larix. Chaenotheca trichialis (Ach.) Th. Fr. -на стволах деревьев родов Larix и Picea. * Chaenothecopsis epithallina Tibellна талломах Chaenotheca trichialis, на стволах деревьев рода Larix. Cladonia arbuscula (Wallr.) Flot. -у основания ствола Picea glauca. Cladonia bacilliformis (Nyl.) Glückу основания ствола Picea pungens. Cladonia botrytes (K. G. Hagen) Willd.у основания ствола Larix decidua. Cladonia cenotea (Ach.) Schaer. -у основания ствола Picea glauca, Pseudotsuga menziesii. Cladonia cryptochlorophaea Asahina -у основания ствола Pinus sibirica. Образцы содержат криптохлорофеевую и палудозовую кислоты, комплекс фумарпротоцетраровой кислоты. Cladonia coniocraea (Flörke) Spreng. -у основания ствола Pseudotsuga menziesii и деревьев родов Abies, Larix, Picea и Pinus. Cladonia cornuta (L.) Hoffm. -у основания стволов деревьев родов Abies, Larix, Picea и Pinus. Cladonia crispata (Ach.) Flot. -у основания ствола Pinus sibirica. Cladonia digitata (L.) Hoffm. -у основания ствола Larix kaempferi. Cladonia fimbriata (L.) Fr. -у основания ствола деревьев родов Abies, Larix, Picea и Pinus. Cladonia gracilis subsp. gracilis (L.) Willd. -у основания ствола Pinus peuce. Cladonia gracilis subsp. turbinata (Ach.) Ahti -у основания ствола Larix kaempferi. Cladonia macilenta Hoffm. -у основания ствола Larix kaempferi. Cladonia ochrochlora Flörke -у основания ствола Pinus peuce. Cladonia phyllophora Hoffm. -у основания ствола Larix gmelinii. Cladonia rangiferina (L.) F. H. Wigg. -у основания ствола Pinus sibirica. Evernia mesomorpha Nyl. -на стволе Pseudotsuga menziesii и деревьях родов Abies и Picea. Evernia prunastri (L.) Ach. -на стволах и ветвях Pseudotsuga menziesii, Larix kaempferi. Fuscidea ...
At present, 264 species of lichens and allied fungi have been recorded for the territory of the BotanicalGarden of Petrozavodsk State University (Republic of Karelia) and 112 species have been found in its arboretum, wheremore than 200 species of introduced trees grow. The paper presents the results of studying the features of the epiphyticlichen cover of the collection trees of the arboretum of the Botanical Garden of PetrSU (Republic of Karelia). Results of thestudy are based on 1662 descriptions of the epiphytic lichen cover on 209 trees of coniferous species and 1150 descriptions –on 143 deciduous introduced species.The average total projective cover of lichens on the trunks of the studied coniferous introduced species reaches 18 % atthe trunk base, and 19 % – at a height of 130 cm above the ground. The number of species in the descriptions of epiphyticlichen cover varies from 0 to 12 (0.8 in average). The highest values of the projective cover of lichens and the numberof species in the descriptions were observed on the trunks of conifers of the genus Pinus, the lowest – on the trunks oftrees of the genus Thuja. The average total projective cover of lichens on the trunks of the studied deciduous introducedspecies was 8 % at the base, and 25 % – at a height of 130 cm above the ground. The number of species in the descriptionvaries from 0 to 9 (1.0 in average). The highest values of the projective cover of lichens and the number of species in thedescription are noted on the trunks of the genus Quercus, the lowest – on the trunks of trees of the genus Ulmus. Collectiontrees of arboretum tree represent a model object for observing the features of the formation of the epiphytic lichen cover
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