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