2003 583 p., hardbound. Ex library J. Krikken (with his small ex libris). Very good copy.Provides information on ecology, biology, dispersal power, collecting techniques, and selected references for each taxa.
2001 285 p., numerous distribution maps, paperbound. Library stamps, else very good copy of this out of print title.
2005 160 p., 225 (112 coloured) figures/photographs, numerous distribution maps, coloured frontispiece, paperbound. Library stamps, else very good copy of this out of print title.
2007 188 p., 261 figures, numerous distribution maps, coloured frontispiece, paperbound. Library stamps, else very good copy.