text: chenopodium album, solanum tuberosum, matricaria discoidea, plantago uliginosa, polygonum aviculare, atriplex patula, cirsium arvense, erigeron canadensis, gnaphalium uliginosum, matricaria chamomilla, papaver rhoeas, persicaria lapathifolia, persicaria maculosa, poa annua, rumex obtusifolius, senecio vulgaris, sinapis arvensis, sonchus arvensis, sonchus asper, sonchus oleraceus, stachys palustris, stellaria media, tripleurospermum inodorum, veronica arvensis