erigeron sumatrensis, solanum nigrum, symphyotrichum squamatum, asparagus acutifolius, brachypodium pinnatum, briza maxima, centaurea sphaerocephala, chenopodium album, chondrilla juncea, elymus repens, equisetum hyemale, erigeron bonariensis, erigeron canadensis, galactites tomentosa, holcus lanatus, lagurus ovatus, picris hieracioides, prospero autumnale, seseli tortuosum, verbascum sinuatum