corispermum hyssopifolium, artemisia campestris, oenothera rubricaulis, bromus tectorum, centaurea stoebe, chenopodium album, convolvulus arvensis, corynephorus canescens, erigeron canadensis, festuca pallens, phleum phleoides, senecio vernalis, setaria viridis, vicia cracca, calamagrostis epigejos