be, arr. liège, quercus robur, fraxinus excelsior, corylus avellana, crataegus monogyna, urtica dioica, populus tremula, rubus caesius, frangula alnus, hedera helix, betula pendula, prunus spinosa, cornus sanguinea, glechoma hederacea, lonicera periclymenum, carpinus betulus, galium aparine, dactylis glomerata, ligustrum vulgare, phragmites australis, sambucus nigra, alnus glutinosa, geum urbanum, euonymus europaeus, solanum dulcamara, quercus petraea, ulmus minor, acer campestre, viburnum opulus, fagus sylvatica, brachypodium sylvaticum, ranunculus repens, heracleum sphondylium, agrostis stolonifera, poa trivialis, rosa canina, dryopteris carthusiana, sorbus aucuparia, prunus avium, salix caprea, holcus lanatus, cirsium arvense, deschampsia cespitosa, betula pubescens, agrostis capillaris, molinia caerulea, avenella flexuosa, fragaria vesca, pteridium aquilinum, acer pseudoplatanus, rosa blondaeana