plantago arenaria, bromus tectorum, apera spica-venti, ceratodon purpureus, chenopodium album, lepidium densiflorum, setaria viridis, amaranthus retroflexus, atriplex patula, berteroa incana, bryum argenteum, digitaria sanguinalis, erigeron canadensis, fallopia convolvulus, festuca psammophila, jasione montana, sisymbrium officinale, tanacetum vulgare, viola arvensis, cerastium semidecandrum, descurainia sophia