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