Abstract
Abstract Foliicolous lichens are an important component of lowland tropical forests and are useful bioindicators of vegetation continuity or forest health. This study of these fungi in lowland Bolivian Amazon forests of Pando Department revealed the presence of 180 species, 101 of which are reported as new for Bolivia. The following 15 species are mentioned for the first time from South America: Anisomeridium guttuliferum Lücking, Byssolecania pluriseptata Breuss, Caprettia confusa Lücking & Sipman, Chroodiscus submuralis Lücking, Coenogonium barbatum Lücking, Aptroot & L. Umaña-Tenorio, Echinoplaca tetrapla (Zahlbr.) Lücking, Gyalectidium laciniatum Lücking, G. pallidum Herrera-Campos & Lücking, Mazosia conica Sérus., Phylloblastia excavata P. M. McCarthy, Porina conica R. Sant., Porina subnucula Lücking & Vězda, Porina aff. subpallescens Vězda, Strigula minuta Lücking and Trichothelium intermedium Lücking. The up-to-date list of foliicolous lichens of Bolivia now numbers 218 species, 52% more than known previously. The foliicolous lichen biota of Pando, a substantial part of the Bolivian Amazon, has clear affinities to neighboring countries due to the significant proportion of species typical for lowland and submontane humid forests in the Neotropics. Analyses of the lichen diversity in the area suggest that its species composition is positively correlated with the presence of specific forest types.
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