be, arr. leuven, populus canadensis, urtica dioica, glechoma hederacea, heracleum sphondylium, galium aparine, symphytum officinale, cirsium arvense, angelica sylvestris, poa trivialis, ranunculus repens, calystegia sepium, filipendula ulmaria, arrhenatherum elatius, galeopsis tetrahit, phalaris arundinacea, quercus robur, sambucus nigra, phragmites australis, holcus lanatus, alopecurus pratensis, alnus glutinosa, fraxinus excelsior, crataegus monogyna, rumex obtusifolius, anthriscus sylvestris, epilobium hirsutum, humulus lupulus, geum urbanum, iris pseudacorus, lycopus europaeus, dactylis glomerata, solanum dulcamara, silene dioica, lythrum salicaria, juncus effusus, eupatorium cannabinum, equisetum arvense, cirsium palustre, ribes rubrum, ranunculus acris, elymus repens, rubus caesius, ficaria verna, acer pseudoplatanus, tanacetum vulgare, lysimachia vulgaris, agrostis stolonifera, cardamine pratensis, cirsium oleraceum, carex acuta