erigeron acris, oxalis stricta, erigeron annuus, aethusa cynapium, brassica napus, calystegia sepium, capsella bursa-pastoris, cerastium fontanum, lactuca serriola, medicago lupulina, papaver rhoeas, plantago major, poa trivialis, ranunculus repens, rumex obtusifolius, solidago canadensis, sonchus asper, stellaria media, trifolium pratense, veronica arvensis, veronica filiformis, vicia sativa