quercus robur, populus canadensis, holcus lanatus, betula pubescens, agrostis capillaris, deschampsia cespitosa, frangula alnus, lonicera periclymenum, prunus serotina, juncus effusus, sorbus aucuparia, carex pilulifera, crataegus monogyna, quercus rubra, sambucus nigra