medicago lupulina, artemisia vulgaris, senecio vernalis, trifolium repens, arenaria serpyllifolia, artemisia campestris, astragalus glycyphyllos, bromus tectorum, capsella bursa-pastoris, erigeron annuus, erigeron canadensis, holcus lanatus, lactuca serriola, lupinus polyphyllus, oenothera biennis, plantago major, rumex crispus, silene latifolia, trifolium arvense, tripleurospermum inodorum, tussilago farfara, vicia hirsuta, vicia sativa