herniaria glabra, brachythecium albicans, artemisia campestris, chenopodium album, digitaria ischaemum, festuca trachyphylla, lolium perenne, plantago lanceolata, potentilla argentea, setaria viridis, trifolium dubium, arenaria serpyllifolia, artemisia vulgaris, bromus hordeaceus, erigeron canadensis, melilotus albus, dactylis glomerata, tanacetum vulgare