text: erigeron canadensis, agrostis capillaris, anthoxanthum aristatum, arabidopsis thaliana, arnoseris minima, capsella bursa-pastoris, chenopodium album, dactylis glomerata, elymus repens, fallopia convolvulus, poa pratensis, rumex acetosella, scleranthus annuus, spergula arvensis, trifolium arvense, tripleurospermum inodorum, viola arvensis, hypochaeris radicata, papaver dubium