corispermum intermedium, ceratodon purpureus, apera spica-venti, artemisia campestris, bromus tectorum, calamagrostis epigejos, chenopodium album, erigeron canadensis, lepidium densiflorum, thymus serpyllum, tortula muralis, 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