stellaria media, arenaria serpyllifolia, oxalis stricta, bromus tectorum, echinochloa crus-galli, setaria viridis, trifolium campestre, veronica arvensis, acer platanoides, arabidopsis thaliana, capsella bursa-pastoris, cirsium arvense, crepis tectorum, lamium purpureum, medicago lupulina, papaver dubium, plantago major, poa annua, senecio vulgaris