text: apera spica-venti, artemisia vulgaris, corispermum intermedium, descurainia sophia, erigeron canadensis, melilotus albus, senecio viscosus, sisymbrium officinale, agrostis capillaris, chenopodium album, fallopia convolvulus, lolium perenne, medicago lupulina, poa annua, sonchus asper, tussilago farfara, arenaria serpyllifolia, capsella bursa-pastoris, senecio vulgaris