viola arvensis, descurainia sophia, stellaria media, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, fallopia convolvulus, galium aparine, galium spurium, geranium pusillum, lamium amplexicaule, lamium purpureum, lathyrus tuberosus, oxalis stricta, papaver rhoeas, polygonum aviculare, saponaria officinalis, symphytum officinale, veronica polita, vicia villosa