quercus robur, betula pubescens, vaccinium myrtillus, avenella flexuosa, castanea sativa, frangula alnus, hedera helix, holcus mollis, ilex aquifolium, melampyrum pratense, pteridium aquilinum, arenaria montana, helictochloa marginata, lonicera periclymenum, physospermum cornubiense, polypodium interjectum, ulex europaeus, dactylorhiza incarnata, galium saxatile, pyrus cordata