plantago uliginosa, gnaphalium uliginosum, poa annua, apera spica-venti, aphanes arvensis, arenaria serpyllifolia, capsella bursa-pastoris, erodium cicutarium, fallopia convolvulus, veronica hederifolia, viola arvensis, geranium pusillum, lycopsis arvensis, persicaria lapathifolia, polygonum aviculare, rumex acetosella