Lyavdanskaya Olga A. RussiaОренбургOrenburg State Agrarian University, 8 Chelyuskintsev St., Orenburg 460014, Russiaromashkaoa@mail.ru Author's articles Influence of Amanita muscaria (class Agaricomycetes, fam. Amanitaceae) and Flammulina velutipes (class Agaricomycetes, fam. Physalacriaceae) on the growth and development of seedlings of Picea abies (class Pinophyta, fam. Pinaceae) and Abies sibirica (cla