quercus petraea, pteridium aquilinum, fagus sylvatica, avenella flexuosa, betula pendula, betula pubescens, castanea sativa, sorbus aucuparia, torminalis glaberrima, lonicera periclymenum, melampyrum pratense, carex pilulifera, erica cinerea, ilex aquifolium, molinia caerulea