anthemis cotula, verbena officinalis, hypericum perforatum, poa annua, polygonum aviculare, urtica dioica, ballota nigra, erigeron canadensis, euphorbia peplus, galinsoga parviflora, gnaphalium uliginosum, matricaria discoidea, persicaria lapathifolia, plantago major, prunella vulgaris, sagina procumbens, cirsium arvense, lysimachia arvensis, malva neglecta, mentha arvensis