lepidium draba, atriplex patula, equisetum arvense, poa compressa, reseda lutea, anchusa officinalis, arenaria serpyllifolia, capsella bursa-pastoris, carum carvi, ceratodon purpureus, descurainia sophia, erigeron canadensis, lepidium ruderale, lolium perenne, malva sylvestris, pilosella officinarum, pimpinella saxifraga, plantago major, poa annua, scorzoneroides autumnalis, silene latifolia, sisymbrium officinale, streblotrichum convolutum, tanacetum vulgare, trifolium repens