In Hungary, from the beginning of 19th century, horse-chestnut trees have been planted widely and are popular ornamental in public parks, along streets, gardens. summer 2015, longitudinal cracks on trunk branches intensive oozing brown liquid were observed a wound tree park Budapest. Some years later, 2018 2019, same symptoms found other locations Several bacteria reported that induce similar s...

Lactarius (Russulales) is an important component of ectomycorrhizal fungal communities in cold-dominated contiguous arctic and disjunct alpine habitats where it associates primarily with Betula, Dryas and Salix However, little is known of this genus in the central and southern Rocky Mountain alpine zone (3000-3900 m) of North America. Molecular phylogenetic analyses of nuc rDNA ITS1-5.8S-ITS2 (...