be, arr. leuven, urtica dioica, cirsium arvense, calystegia sepium, symphytum officinale, phragmites australis, galium aparine, phalaris arundinacea, poa trivialis, heracleum sphondylium, ranunculus repens, epilobium hirsutum, arrhenatherum elatius, lythrum salicaria, glechoma hederacea, filipendula ulmaria, solanum dulcamara, lycopus europaeus, anthriscus sylvestris, iris pseudacorus, alopecurus pratensis, angelica sylvestris, persicaria amphibia, rumex obtusifolius, holcus lanatus, agrostis stolonifera, galeopsis tetrahit, elymus repens, dactylis glomerata, stachys palustris, eupatorium cannabinum, angelica archangelica, populus canadensis, lysimachia vulgaris, thalictrum flavum, lolium perenne, glyceria maxima, humulus lupulus, sambucus nigra, tanacetum vulgare, impatiens glandulifera, equisetum arvense, rumex crispus, rubus caesius, vicia cracca, salix viminalis, valeriana officinalis, carex acuta, carex riparia, ranunculus acris, crataegus monogyna