chelidonium majus, tortula muralis, arenaria serpyllifolia, cerastium holosteoides, crepis biennis, stellaria media, syntrichia ruralis, artemisia vulgaris, barbula unguiculata, capsella bursa-pastoris, galium aparine, sonchus arvensis, urtica dioica, cotoneaster horizontalis, geranium pyrenaicum, poa annua, poa compressa