poa pratensis, populus nigra, secale sylvestre, bromus secalinus, xanthium strumarium, eryngium planum, medicago lupulina, plantago lanceolata, carduus acanthoides, cerastium holosteoides, geranium pusillum, lamium purpureum, rabelera holostea, scutellaria galericulata, sisymbrium loeselii, trifolium pratense