vicia faba, helosciadium nodiflorum, nasturtium officinale, poa annua, polypogon monspeliensis, veronica anagallis-aquatica, erigeron sumatrensis, galium aparine, juncus bufonius, lepidium didymum, plantago major, ranunculus trilobus, senecio vulgaris, sonchus oleraceus, stellaria media, symphyotrichum squamatum, urtica urens