text: arabidopsis thaliana, roemeria argemone, saxifraga tridactylites, veronica arvensis, arenaria serpyllifolia, cerastium glutinosum, medicago lupulina, myosotis stricta, viola arvensis, draba verna, galium aparine, thlaspi arvense, bromus hordeaceus, bromus tectorum, matricaria discoidea, potentilla argentea, valerianella locusta