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