erigeron canadensis, elymus repens, dactylis glomerata, achillea millefolium, agrostis capillaris, arabidopsis thaliana, capsella bursa-pastoris, cerastium semidecandrum, chenopodium album, draba verna, filago arvensis, hypochaeris radicata, rumex acetosella, senecio sylvaticus, spergula arvensis, viola arvensis, cirsium arvense, crepis capillaris, tragopogon pratensis, tripleurospermum inodorum, vicia sativa