tussilago farfara, apera spica-venti, scleranthus annuus, centaurea cyanus, fallopia convolvulus, holcus mollis, sonchus arvensis, vicia sativa, agrostis stolonifera, capsella bursa-pastoris, cerastium holosteoides, chenopodium album, poa pratensis, poa trivialis, polygonum aviculare, ranunculus repens, rumex acetosella, trifolium repens, vicia hirsuta