poa annua, cirsium arvense, lolium perenne, tripleurospermum maritimum, cerastium holosteoides, corispermum intermedium, erigeron canadensis, plantago lanceolata, poa pratensis, senecio viscosus, senecio vulgaris, elymus repens, sonchus arvensis, artemisia vulgaris, cerastium semidecandrum, cirsium vulgare, jacobaea vulgaris, medicago lupulina, solanum nigrum