picea abies, calamagrostis epigejos, sorbus aucuparia, dryopteris filix-mas, fagus sylvatica, poa nemoralis, acer platanoides, acer pseudoplatanus, agrostis capillaris, athyrium filix-femina, avenella flexuosa, mycelis muralis, oxalis acetosella, polygonatum verticillatum, quercus robur