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