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