erigeron canadensis, artemisia vulgaris, elymus repens, arenaria serpyllifolia, senecio vernalis, setaria viridis, apera spica-venti, arabidopsis thaliana, cirsium arvense, draba verna, equisetum arvense, fallopia convolvulus, geranium pusillum, medicago lupulina, myosotis arvensis, thlaspi arvense, trifolium arvense, trifolium dubium, veronica verna, viola arvensis, ballota nigra, convolvulus arvensis, plantago major