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