be, arr. leuven, urtica dioica, galium aparine, phragmites australis, poa trivialis, cirsium arvense, sambucus nigra, glechoma hederacea, holcus lanatus, eupatorium cannabinum, phalaris arundinacea, solanum dulcamara, calystegia sepium, quercus robur, ranunculus repens, epilobium hirsutum, lycopus europaeus, alnus glutinosa, dactylis glomerata, elymus repens, galeopsis tetrahit, rubus caesius, crataegus monogyna, fraxinus excelsior, arrhenatherum elatius, anthriscus sylvestris, symphytum officinale, agrostis stolonifera, heracleum sphondylium, humulus lupulus, salix cinerea, angelica sylvestris, iris pseudacorus, stellaria media, lythrum salicaria, lysimachia vulgaris, geum urbanum, equisetum arvense, calamagrostis epigejos, acer pseudoplatanus, agrostis capillaris, cerastium holosteoides, rumex obtusifolius, juncus effusus, sorbus aucuparia, cirsium vulgare, calamagrostis canescens, filipendula ulmaria, valeriana officinalis, populus canadensis, cirsium palustre