erodium cicutarium, polygonum aviculare, eragrostis minor, convolvulus arvensis, lolium perenne, paspalum distichum, achillea millefolium, trifolium repens, capsella bursa-pastoris, dactylis glomerata, eragrostis pilosa, medicago lupulina, setaria viridis, stellaria media, crepis foetida, erigeron canadensis, senecio vernalis, chondrilla juncea, erysimum diffusum