melilotus neapolitanus, biscutella coronopifolia, calendula arvensis, erodium cicutarium, euphorbia segetalis, euphorbia serrata, galium tricornutum, melilotus officinalis, platycapnos spicata, cerastium glomeratum, dittrichia viscosa, erodium malacoides, foeniculum vulgare, hypochaeris radicata, lathyrus clymenum, polycarpon tetraphyllum, scandix pecten-veneris, senecio gallicus, senecio vulgaris, setaria viridis, sonchus tenerrimus, sorghum halepense