quercus robur, castanea sativa, corylus avellana, crataegus monogyna, fagus sylvatica, lonicera periclymenum, pteridium aquilinum, quercus petraea, agrostis capillaris, avenella flexuosa, calluna vulgaris, carex pilulifera, cytisus scoparius, frangula alnus, fraxinus excelsior, hedera helix, holcus mollis, hypnum cupressiforme, ilex aquifolium, melampyrum pratense, polytrichum formosum, prunus avium, pseudoscleropodium purum, quercus rubra, ruscus aculeatus, viola riviniana