chaenorhinum minus, eragrostis minor, bryum argenteum, digitaria sanguinalis, arenaria serpyllifolia, chenopodium album, lipandra polysperma, lysimachia arvensis, plantago lanceolata, plantago major, poa annua, polygonum aviculare, sagina procumbens, senecio vulgaris, setaria viridis, sonchus asper