be, arr. leuven, populus canadensis, quercus robur, urtica dioica, angelica sylvestris, filipendula ulmaria, alnus glutinosa, ranunculus repens, heracleum sphondylium, holcus lanatus, glechoma hederacea, juncus effusus, symphytum officinale, cirsium arvense, cirsium palustre, galium aparine, galeopsis tetrahit, arrhenatherum elatius, sambucus nigra, poa trivialis, alopecurus pratensis, lysimachia vulgaris, phalaris arundinacea, phragmites australis, lythrum salicaria, fraxinus excelsior, calystegia sepium, betula pendula, humulus lupulus, iris pseudacorus, prunus serotina, agrostis capillaris, solanum dulcamara, lonicera periclymenum, lycopus europaeus, crataegus monogyna, sorbus aucuparia, frangula alnus, cardamine pratensis, rumex acetosa, corylus avellana, ribes rubrum, stellaria graminea, carex acuta, ranunculus acris, equisetum palustre, galium palustre, viburnum opulus, quercus rubra, salix cinerea, dryopteris carthusiana