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