text: petrorhagia prolifera, hypochaeris radicata, elymus repens, erigeron canadensis, holosteum umbellatum, apera spica-venti, carduus nutans, crepis tectorum, filago arvensis, potentilla argentea, rumex acetosella, senecio vernalis, viola arvensis, crepis capillaris, erodium cicutarium, fallopia convolvulus, helichrysum arenarium, trifolium arvense, veronica triphyllos, vicia sativa, centaurea cyanus, tripleurospermum inodorum, vicia hirsuta