corispermum intermedium, ceratodon purpureus, apera spica-venti, artemisia campestris, bromus tectorum, calamagrostis epigejos, chenopodium album, erigeron canadensis, lepidium densiflorum, syntrichia ruralis, thymus serpyllum, amaranthus retroflexus, androsace septentrionalis, astragalus arenarius, brachythecium albicans, centaurea stoebe, cerastium semidecandrum, chondrilla juncea, cladonia fimbriata, cyclachaena xanthiifolia, fallopia convolvulus, oenothera biennis, pilosella officinarum, poa compressa, rumex acetosella, setaria viridis, sisymbrium loeselii, viola arvensis