capsella bursa-pastoris, scleranthus annuus, alopecurus pratensis, medicago lupulina, polygonum aviculare, sonchus oleraceus, thlaspi arvense, tripleurospermum inodorum, veronica arvensis, veronica persica, viola arvensis, atriplex patula, bidens frondosa, chenopodium ficifolium, senecio viscosus, sonchus asper, stellaria aquatica