The reprint of Titta’s latest paper “Seasonal fluctuations in leaf phenolic composition under UV manipulations reflect contrasting strategies of alder and birch trees” by “Titta Kotilainen, Riitta Tegelberg, Riitta Julkunen-Tiitto, Anders Lindfors, Robert B. O’Hara, Pedro J. Aphalo” is available at http://onlinelibrary.wiley.com/doi/10.1111/j.1399-3054.2010.01398.x/pdf, as it has been published on-line in Physiologia Plantarum.