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