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