2.
Ballian, D., Ravazzi, C., de Rigo, D. & Caudullo, G. 2016. Pinus mugo in Europe: Distribution, habitat, usage and threats. In: San-Miguel-Ayanz, J., de Rigo, D., Caudullo, G., Houston Durrant T. & Mauri, A. (eds), European Atlas of Forest Tree Species, pp. 124–125. Luxembourg: Publication Office of the European Union.