Re-directed due to name change from Ceterach officinarum to Asplenium ceterach (Italy)

The old stone walls of then town of Argegno above the main route around Lake Como enclose narrow streets and in these cracks some of the finest specimens of Rustyback fern grow.

Walls of Argegno, Northern Italy 17th September 2008

Added on 17th July 2008, updated 28th November 2008, upadated and re-directed May 3rd 2010