erigeron canadensis, poa annua, rumex acetosella, senecio vulgaris, spergula arvensis, agrostis capillaris, bromus hordeaceus, chenopodium album, epilobium ciliatum, juncus bufonius, sisymbrium altissimum, tripleurospermum inodorum, cerastium holosteoides, persicaria maculosa, ranunculus repens, senecio vernalis, vicia hirsuta