text: castanea sativa, avenella flexuosa, quercus petraea, lonicera periclymenum, pteridium aquilinum, betula pendula, calluna vulgaris, carex pilulifera, convallaria majalis, corylus avellana, dicranum scoparium, frangula alnus, hedera helix, holcus mollis, melampyrum pratense, polytrichum formosum, pseudoscleropodium purum, teucrium scorodonia, torminalis glaberrima