scleranthus annuus, aphanes arvensis, capsella bursa-pastoris, festuca bromoides, scleranthus polycarpos, agrostis capillaris, arenaria serpyllifolia, dactylis glomerata, draba verna, jacobaea vulgaris, matricaria discoidea, plantago lanceolata, poa annua, polygonum aviculare, senecio viscosus, senecio vulgaris, trifolium arvense, trifolium hybridum, epilobium tetragonum, hypochaeris radicata