setaria pumila, elymus repens, erigeron canadensis, medicago lupulina, poa angustifolia, achillea collina, berteroa incana, digitaria sanguinalis, echium vulgare, elymus uralensis, eragrostis minor, leonurus cardiaca, picris hieracioides, plantago lanceolata, polygonum aviculare, potentilla argentea, trifolium repens