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 (...

Abstract Acute Oak Decline (AOD) is a complex plant disease affecting species of native oaks, for example, Quercus robur , in Latvia. Typical AOD symptoms are bark cracks with dark exudate. In other European region countries, like the United Kingdom, associated insects, Agrilus biguttatus . From results forest survey, it can be concluded that oak stands located Latvia, there practically no dama...