The population structure of Hypogymnia physodes (L.) Nyl. in the mountains of the Central Caucasus

The cenopopulation structure of the lichen species Hypogymnia physodes in the forests of the National Park “Prielbrusye” (Kabardino-Balkaria) is considered. The introduced description methods for the population structure, based on the development stage and reproductive status of individual thalli and their groups (subpopulations), allow to draw a conclusion on the current state and development prospects of the population.