castanea sativa, avenella flexuosa, vaccinium myrtillus, sorbus aucuparia, pteridium aquilinum, calamagrostis arundinacea, erica carnea, frangula alnus, luzula nivea, luzula sylvatica, maianthemum bifolium, melampyrum pratense, molinia arundinacea, quercus petraea, convallaria majalis, prunus avium