descurainia sophia, chenopodium album, lolium perenne, poa annua, polygonum aviculare, tripleurospermum inodorum, dactylis glomerata, deschampsia cespitosa, medicago lupulina, sisymbrium officinale, thlaspi arvense, achillea millefolium, galium aparine, rumex acetosa, sambucus nigra, sonchus asper, stellaria media