text: pteridium aquilinum, quercus petraea, castanea sativa, lonicera periclymenum, fagus sylvatica, avenella flexuosa, betula pendula, hedera helix, polytrichum formosum, carex pilulifera, frangula alnus, ilex aquifolium, leucobryum glaucum, melampyrum pratense, poa nemoralis, pseudoscleropodium purum, teucrium scorodonia, torminalis glaberrima