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