Keys to the Lichens of Italy I: Terricolous species

Description:

This book contains keys to all terricolous ascolichens hitherto known from Italy (439 species). The introduction includes a critical discussion of the term 'terricolous', and a glossary of 280 technical terms. The general key, provided with descriptions and distribution maps, is followed by four keys for beginners, limited to species found on acid-siliceous and calciferous substrata, below and above treeline. The basic outline of the keys was produced by program FRIDA, patented by the University of Trieste.