Effects of lichen homogenates, mixtures of extracted substances and secondary metabolites on macromycetes – a critical review

•Critical discussion of effects of lichen substances on macromycetes•Lichen substances cause varying degree of stimulation and inhibition of mycelium•Regulation of dynamic mycelium of different trophic groups by lichens in nature•The most inhibitory are common-grown epiphytic and epigeic macrolichens•“The light bulb extraction method” proposition for ecological purposes