astragalus arenarius, chaenorhinum minus, medicago lupulina, anchusa officinalis, carex hirta, chenopodium album, digitaria sanguinalis, elymus repens, equisetum arvense, erigeron canadensis, medicago falcata, melilotus albus, melilotus officinalis, oenothera biennis, pimpinella saxifraga, setaria pumila, setaria viridis, silene vulgaris, sonchus asper