be, arr. leuven, quercus robur, populus canadensis, angelica sylvestris, urtica dioica, heracleum sphondylium, ranunculus repens, glechoma hederacea, filipendula ulmaria, holcus lanatus, cirsium arvense, arrhenatherum elatius, galeopsis tetrahit, galium aparine, poa trivialis, symphytum officinale, alopecurus pratensis, fraxinus excelsior, alnus glutinosa, sambucus nigra, cirsium palustre, juncus effusus, crataegus monogyna, agrostis capillaris, ranunculus acris, phalaris arundinacea, stellaria graminea, rumex acetosa, betula pendula, cardamine pratensis, prunus serotina, calystegia sepium, geum urbanum, ribes rubrum, corylus avellana, phragmites australis, dactylis glomerata, sorbus aucuparia, humulus lupulus, lonicera periclymenum, lythrum salicaria, lysimachia vulgaris, acer pseudoplatanus, ficaria verna, cerastium fontanum, lathyrus pratensis, cerastium holosteoides, iris pseudacorus, vicia cracca, silene dioica, holcus mollis