([UFAM, Prati e pascoli secchi d'importanza nazionale, 2011, p. 32, Internet](http://www.bafu.admin.ch/publikationen/publikation/01553/index.html?lang=it&download=NHzLpZig7t,lnp6I0NTU042l2Z6ln1ah2oZn4Z2qZpnO2Yuq2Z6gpJCGeIR7hGym162dpYbUzd,Gpd6emK2Oz9aGodetmqaN19XI2IdvoaCVZ,s-.pdf))