polycarpon tetraphyllum, trisetaria panicea, capsella bursa-pastoris, medicago lupulina, medicago polymorpha, sagina apetala, arenaria leptoclados, cerastium glomeratum, draba verna, poa annua, trifolium nigrescens, veronica arvensis, anthemis arvensis, bellis perennis, cerastium semidecandrum, galium murale, medicago arabica, papaver rhoeas, sonchus tenerrimus, tortula muralis, trigonella esculenta