chelidonium majus, corylus avellana, oxalis acetosella, pinus sylvestris, rubus idaeus, picea abies, betula pendula, dryopteris carthusiana, maianthemum bifolium, quercus robur, rubus saxatilis, clinopodium vulgare, juniperus communis, mycelis muralis, prunus padus, sorbus aucuparia