veronica hederifolia, arabidopsis thaliana, roemeria argemone, stellaria media, asperugo procumbens, capsella bursa-pastoris, chenopodium album, convolvulus arvensis, draba verna, equisetum arvense, erigeron canadensis, holosteum umbellatum, lathyrus tuberosus, poa annua, polygonum aviculare, veronica arvensis, viola arvensis