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