polycarpon tetraphyllum, trisetaria aurea, plantago coronopus, plantago lanceolata, arenaria leptoclados, bellis perennis, capsella rubella, crepis sancta, cynodon dactylon, erigeron annuus, erigeron canadensis, euphorbia maculata, galium murale, poa annua, poa bulbosa, sagina apetala, sherardia arvensis, veronica arvensis