agrostis stolonifera, arenaria serpyllifolia, erigeron canadensis, geranium pusillum, setaria viridis, campanula rapunculoides, convolvulus arvensis, equisetum arvense, euphorbia helioscopia, fallopia convolvulus, lamium amplexicaule, poa annua, rumex acetosella, stellaria media, apera spica-venti, capsella bursa-pastoris, chenopodium album, elymus repens, erysimum cheiranthoides, galinsoga parviflora, roemeria argemone, veronica agrestis, viola arvensis