pteridium aquilinum, calamagrostis arundinacea, pinus sylvestris, sorbus aucuparia, convallaria majalis, sambucus racemosa, rubus idaeus, salix caprea, populus tremula, impatiens noli-tangere, tilia cordata, malus sylvestris, chelidonium majus, euonymus verrucosus, luzula pilosa, quercus robur, stellaria media, viola canina