poa annua, polygonum aviculare, taraxacum minimum, bromus hordeaceus, alyssum alyssoides, anthemis arvensis, arenaria serpyllifolia, bromus tectorum, capsella bursa-pastoris, cerastium glutinosum, chenopodium album, clinopodium acinos, elymus repens, erigeron canadensis, euphorbia platyphyllos, holosteum umbellatum, hordeum murinum, lolium perenne, lysimachia arvensis, medicago lupulina, plantago lanceolata, plantago major, poa pratensis, trifolium repens, verbena officinalis