portulaca oleracea, chenopodium album, eragrostis minor, poa annua, senecio viscosus, stellaria media, amaranthus albus, bromus inermis, capsella bursa-pastoris, digitaria sanguinalis, heracleum sphondylium, lamium purpureum, medicago lupulina, plantago major, polygonum aviculare, trifolium repens