saxifraga tridactylites, arenaria serpyllifolia, erigeron annuus, cerastium tenoreanum, lactuca serriola, viola arvensis, achillea millefolium, arabidopsis thaliana, bromus sterilis, capsella bursa-pastoris, cardamine hirsuta, drabella muralis, euphorbia cyparissias, galium mollugo, poa annua, reseda lutea, veronica arvensis, geranium robertianum