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