viola arvensis, galium spurium, arenaria serpyllifolia, papaver rhoeas, anthemis arvensis, chaenorhinum minus, cirsium arvense, convolvulus arvensis, fallopia convolvulus, lapsana communis, artemisia absinthium, capsella bursa-pastoris, chenopodium album, descurainia sophia, equisetum arvense, polygonum aviculare, roemeria argemone, solanum tuberosum, trifolium repens