elymus repens, polygonum aviculare, ambrosia artemisiifolia, berteroa incana, bromus tectorum, picris hieracioides, artemisia campestris, artemisia vulgaris, calamagrostis epigejos, carex hirta, chenopodium album, dactylis glomerata, festuca heterophylla, oenothera biennis, plantago arenaria, saponaria officinalis