convolvulus arvensis, medicago lupulina, salvia verticillata, centaurea cyanus, anthemis arvensis, chenopodium album, cirsium arvense, daucus carota, elymus repens, euphorbia helioscopia, fallopia convolvulus, galeopsis pubescens, lathyrus oleraceus, picris hieracioides, ranunculus sardous, scleranthus annuus, trifolium repens