oxalis stricta, stellaria media, arabidopsis thaliana, arenaria serpyllifolia, lamium purpureum, trifolium campestre, veronica hederifolia, acer platanoides, cerastium holosteoides, cirsium arvense, echinochloa crus-galli, erigeron annuus, erigeron canadensis, geranium pusillum, lamium amplexicaule, papaver dubium, plantago lanceolata, poa annua, polygonum aviculare, senecio vulgaris, setaria viridis, veronica arvensis