quercus robur, fagus sylvatica, sorbus aucuparia, calamagrostis arundinacea, convallaria majalis, dryopteris filix-mas, frangula alnus, agrostis capillaris, athyrium filix-femina, dryopteris carthusiana, milium effusum, prunus padus, prunus spinosa, ribes rubrum, impatiens parviflora, maianthemum bifolium, rhamnus cathartica