Lichen biota of the park of the museum-reserve “Abramtsevo” (Moscow region)

The article considers diversity of lichen biota as an indicator of the state of the Moscow region park communities. It is a case study of the park of the museum-reserve “Abramtsevo”. The study examined the species diversity. Taxonomic, ecological and sozological analyses of the investigated lichen biota have been carried out. On that basis, an assessment of the level of anthropogenic transformation of the lichen biota has been made. Recommendations are developed for the conservation of the habitats of rare lichen species in the park of the museum-reserve “Abramtsevo”.