text: secale cereale, apera spica-venti, digitaria ischaemum, elymus repens, equisetum arvense, erigeron canadensis, polygonum aviculare, setaria pumila, agrostemma githago, arenaria serpyllifolia, bromus secalinus, cerastium holosteoides, chenopodium album, draba verna, fallopia convolvulus, herniaria hirsuta, polycnemum arvense, scleranthus annuus, spergularia rubra, tortula truncata, vicia tetrasperma