be, arr. leuven, quercus robur, holcus lanatus, agrostis capillaris, quercus rubra, prunus serotina, ranunculus repens, rumex acetosa, urtica dioica, arrhenatherum elatius, sorbus aucuparia, poa trivialis, betula pendula, holcus mollis, heracleum sphondylium, frangula alnus, festuca rubra, ranunculus acris, stellaria graminea, cirsium arvense, tanacetum vulgare, achillea millefolium, dactylis glomerata, galeopsis tetrahit, plantago lanceolata, anthoxanthum odoratum, lolium perenne, alopecurus pratensis, juncus effusus, pinus sylvestris, amelanchier lamarckii, galium aparine, lonicera periclymenum, glechoma hederacea, trifolium repens, populus canadensis, hypericum perforatum, rumex obtusifolius, sambucus nigra, angelica sylvestris, elymus repens, corylus avellana, castanea sativa, cerastium holosteoides, juncus tenuis, alnus glutinosa, rumex angiocarpus, agrostis stolonifera, stellaria media, cirsium palustre, molinia caerulea