hordeum vulgare, medicago sativa, capsella bursa-pastoris, equisetum arvense, galinsoga quadriradiata, chenopodium album, euphorbia peplus, potentilla reptans, sonchus asper, sonchus oleraceus, stachys palustris, cerastium holosteoides, cirsium arvense, euphorbia helioscopia, geranium pusillum, lamium purpureum, lipandra polysperma, matricaria chamomilla, myosotis arvensis, oxalis stricta, papaver rhoeas, plantago lanceolata, polygonum aviculare, symphytum officinale, veronica persica