convolvulus arvensis, aegopodium podagraria, chenopodium album, cirsium arvense, elymus repens, erysimum cheiranthoides, medicago lupulina, mentha arvensis, persicaria lapathifolia, poa pratensis, poa trivialis, vicia cracca, campanula rapunculoides, dactylis glomerata, euphorbia helioscopia, heracleum sphondylium, silene latifolia, sonchus asper, symphytum officinale