bromus hordeaceus, descurainia sophia, sisymbrium officinale, elymus repens, erodium cicutarium, capsella bursa-pastoris, carex arenaria, chenopodium album, erigeron canadensis, lolium perenne, lycopsis arvensis, plantago lanceolata, poa pratensis, polygonum aviculare, scorzoneroides autumnalis, sonchus oleraceus, hordeum murinum