bromus tectorum, oenothera biennis, bryum argenteum, calamagrostis epigejos, ceratodon purpureus, linaria vulgaris, persicaria lapathifolia, pilosella officinarum, poa compressa, sisymbrium altissimum, dysphania botrys, eragrostis minor, poa angustifolia, polygonum aviculare