arenaria serpyllifolia, oxalis stricta, trifolium campestre, bromus hordeaceus, bromus tectorum, stellaria media, acer negundo, acer platanoides, arabidopsis thaliana, capsella bursa-pastoris, chenopodium album, crepis tectorum, echinochloa crus-galli, erigeron annuus, erigeron canadensis, geranium pusillum, medicago lupulina, papaver dubium, plantago lanceolata, senecio vulgaris, setaria viridis, veronica arvensis, veronica persica, viola arvensis