crepis foetida, erodium cicutarium, medicago lupulina, plantago lanceolata, arenaria serpyllifolia, atriplex patula, convolvulus arvensis, erigeron canadensis, hordeum murinum, lolium perenne, stellaria media, torilis arvensis, tragopogon dubius, echinochloa crus-galli, setaria verticillata, setaria viridis