hordeum distichon, scleranthus annuus, persicaria hydropiper, spergula arvensis, galinsoga parviflora, rumex acetosella, tripleurospermum inodorum, agrostis gigantea, anthemis arvensis, apera spica-venti, artemisia vulgaris, avena fatua, centaurea cyanus, fallopia convolvulus, galeopsis pubescens, galeopsis tetrahit, galium aparine, gnaphalium uliginosum, holcus mollis, lapsana communis, matricaria discoidea, mentha arvensis, persicaria lapathifolia, plantago uliginosa, sonchus asper, trifolium pratense, trifolium repens, vicia hirsuta, vicia sativa, viola arvensis, juncus bufonius