festuca trachyphylla, capsella bursa-pastoris, elymus repens, rumex acetosella, trifolium arvense, arabidopsis thaliana, arenaria serpyllifolia, convolvulus arvensis, digitaria ischaemum, draba verna, holosteum umbellatum, lamium amplexicaule, lepidium campestre, ornithopus perpusillus, roemeria argemone, scleranthus annuus, senecio vernalis, bromus sterilis, tanacetum vulgare