text: corylus avellana, pinus sylvestris, quercus robur, acer tataricum, carpinus betulus, prunus padus, ulmus minor, convallaria majalis, impatiens parviflora, chelidonium majus, dryopteris carthusiana, euonymus europaeus, euonymus verrucosus, fallopia dumetorum, frangula alnus, galeopsis bifida, maianthemum bifolium, pteridium aquilinum, sambucus nigra