text: convolvulus arvensis, chenopodium album, delphinium consolida, fallopia convolvulus, galium aparine, gypsophila vaccaria, sinapis arvensis, bifora radians, carduus acanthoides, cirsium arvense, erigeron canadensis, lathyrus aphaca, medicago lupulina, melampyrum arvense, papaver rhoeas, polygonum aviculare, reseda lutea, sonchus arvensis, stachys annua