quercus rubra, quercus robur, larix kaempferi, avenella flexuosa, juncus effusus, molinia caerulea, pinus sylvestris, betula pendula, carex pilulifera, dryopteris dilatata, frangula alnus, holcus lanatus, luzula pilosa, prunus serotina, salix caprea, tilia cordata