quercus robur, lepidozia reptans, pteridium aquilinum, acer pseudoplatanus, avenella flexuosa, betula pubescens, holcus mollis, pseudotaxiphyllum elegans, calypogeia azurea, hedera helix, hypnum cupressiforme, sorbus aucuparia, athyrium filix-femina, dicranella heteromalla, dryopteris dilatata