elymus repens, achillea millefolium, amaranthus powellii, anchusa ochroleuca, arctium tomentosum, atriplex patula, ballota nigra, bromus sterilis, carduus acanthoides, chenopodium album, cichorium intybus, cirsium arvense, convolvulus arvensis, coronilla varia, crepis foetida, erigeron canadensis, galium humifusum, lactuca serriola, lathyrus tuberosus, lolium perenne, polygonum aviculare, setaria viridis, silene latifolia, sonchus asper, stellaria media, trifolium pratense