be, arr. oostende, agrostis stolonifera, ranunculus repens, lolium perenne, matricaria discoidea, cirsium arvense, cotula coronopifolia, trifolium repens, poa trivialis, ranunculus sceleratus, plantago major, polygonum aviculare, poa annua, urtica dioica, rumex crispus, elymus repens, alopecurus geniculatus, phragmites australis, epilobium hirsutum, stellaria media, atriplex prostrata, lolium multiflorum, persicaria maculosa, holcus lanatus, argentina anserina, bolboschoenus maritimus, helosciadium nodiflorum, capsella bursa-pastoris, althaea officinalis, geranium dissectum, gnaphalium uliginosum, cirsium vulgare, persicaria amphibia, veronica persica, bellis perennis, matricaria chamomilla, ranunculus sardous, plantago lanceolata, dactylis glomerata, chenopodium album, pulicaria dysenterica, sonchus asper, galium aparine, juncus bufonius, apium nodiflorum, eleocharis palustris, ranunculus acris, bromus hordeaceus, lemna minor, rumex obtusifolius, trifolium fragiferum