be, arr. leuven, populus canadensis, urtica dioica, galium aparine, heracleum sphondylium, glechoma hederacea, symphytum officinale, filipendula ulmaria, angelica sylvestris, quercus robur, poa trivialis, phalaris arundinacea, cirsium arvense, galeopsis tetrahit, ranunculus repens, arrhenatherum elatius, calystegia sepium, sambucus nigra, alnus glutinosa, fraxinus excelsior, alopecurus pratensis, phragmites australis, humulus lupulus, holcus lanatus, crataegus monogyna, anthriscus sylvestris, geum urbanum, ficaria verna, silene dioica, iris pseudacorus, ribes rubrum, lythrum salicaria, dactylis glomerata, solanum dulcamara, impatiens glandulifera, rumex obtusifolius, cirsium palustre, aegopodium podagraria, rubus caesius, lysimachia vulgaris, lycopus europaeus, equisetum arvense, corylus avellana, carex acuta, alnus incana, juncus effusus, cardamine pratensis, elymus repens, ranunculus acris, acer pseudoplatanus, viburnum opulus