crepis tectorum, erigeron canadensis, trifolium arvense, artemisia campestris, arenaria serpyllifolia, elymus repens, apera spica-venti, arabidopsis thaliana, artemisia vulgaris, centaurea stoebe, fallopia convolvulus, medicago lupulina, myosotis arvensis, sedum acre, setaria viridis, trifolium campestre, viola arvensis, chenopodium album, echium vulgare, silene latifolia