draba verna, poa annua, arabidopsis thaliana, cerastium semidecandrum, claytonia perfoliata, mibora minima, veronica arvensis, matricaria discoidea, aphanes australis, elymus repens, myosotis arvensis, rumex acetosella, stellaria apetala, vicia sativa, anthriscus caucalis, capsella bursa-pastoris, erigeron canadensis, erodium cicutarium, geranium pusillum, stellaria media