arabidopsis thaliana, secale cereale, veronica arvensis, arenaria serpyllifolia, plantago major, capsella bursa-pastoris, chenopodium album, elymus repens, myosotis sicula, silene latifolia, stellaria media, veronica verna, achillea millefolium, cerastium holosteoides, equisetum arvense, erigeron canadensis, polygonum aviculare, rumex acetosa, rumex thyrsiflorus, stellaria graminea, viola arvensis