festuca ovina, bromus hordeaceus, pteridium aquilinum, trifolium arvense, achillea millefolium, chenopodium album, dianthus borbasii, erigeron canadensis, euphorbia cyparissias, hordeum jubatum, potentilla argentea, descurainia sophia, echinochloa crus-galli, fragaria vesca, galeopsis speciosa, galinsoga parviflora, lactuca serriola, lepidium ruderale, oxybasis rubra, pilosella officinarum, polygonum aviculare, solanum nigrum, viola arvensis