Cartographic Links for Botanists (highly recommended)

Managing genetic resources with GIS  (from IPGRI/Americas)

On line diversity mapping 

Learn more about GIS 

FloraMap predicts areas particular species might occur on the basis of previous observations and climate data;

WorldMap can be used to map and analyze biological diversity;

ArcExplorer software is a lightweight GIS data explorer developed by ESRI. It is free of charge.