be, arr. antwerpen, prunus serotina, quercus robur, sambucus nigra, acer pseudoplatanus, urtica dioica, betula pendula, sorbus aucuparia, quercus rubra, populus canadensis, robinia pseudoacacia, galium aparine, amelanchier lamarckii, holcus lanatus, lonicera periclymenum, castanea sativa, crataegus monogyna, dryopteris dilatata, glechoma hederacea, senecio inaequidens, poa trivialis, cirsium arvense, salix caprea, erigeron canadensis, hedera helix, fraxinus excelsior, heracleum sphondylium, agrostis capillaris, claytonia perfoliata, pinus sylvestris, corylus avellana, alnus glutinosa, stellaria media, arrhenatherum elatius, ranunculus repens, pinus nigra, rubus caesius, symphoricarpos albus, erigeron sumatrensis, agrostis stolonifera, phragmites australis, silene dioica, betula pubescens, potentilla indica, populus alba, jacobaea vulgaris, solanum dulcamara, frangula alnus, geum urbanum, anthriscus sylvestris, eupatorium cannabinum