myosotis arvensis, persicaria hydropiper, sonchus arvensis, avena fatua, cirsium arvense, convolvulus arvensis, elymus repens, erigeron annuus, lathyrus pratensis, mentha arvensis, mentha longifolia, oxalis stricta, papaver rhoeas, persicaria lapathifolia, persicaria minor, silene vulgaris, stachys palustris, vicia sativa