polycarpon tetraphyllum, trisetaria aurea, gemmabryum caespiticium, plantago coronopus, plantago lanceolata, bromus madritensis, catapodium rigidum, chondrilla juncea, crepis neglecta, didymodon luridus, erigeron canadensis, euphorbia helioscopia, filago germanica, malva sylvestris, oxalis corniculata, poa bulbosa, sonchus oleraceus, verbascum pulverulentum