be, arr. leuven, heracleum sphondylium, urtica dioica, ranunculus repens, symphytum officinale, galium aparine, glechoma hederacea, fraxinus excelsior, poa trivialis, sambucus nigra, cirsium arvense, calystegia sepium, holcus lanatus, quercus robur, filipendula ulmaria, galanthus nivalis, arrhenatherum elatius, lythrum salicaria, alnus glutinosa, phalaris arundinacea, humulus lupulus, cardamine pratensis, phragmites australis, iris pseudacorus, epilobium hirsutum, populus canadensis, geranium pyrenaicum, lamium album, castanea sativa, veronica persica, crataegus monogyna, corylus avellana, ribes rubrum, lathyrus latifolius, angelica sylvestris, alopecurus pratensis, galeopsis tetrahit, solanum dulcamara, galinsoga quadriradiata, lolium perenne, juncus effusus, echinochloa crus-galli, viburnum opulus, ranunculus acris, agrostis stolonifera, lysimachia vulgaris, arum italicum, dactylis glomerata, anthriscus sylvestris, rumex obtusifolius, phacelia tanacetifolia