Plants preserved in the herbarium (5550 exsiccata) or photographed (854 photos) were found in 686 sites, mostly in the eastern Algeria :

Background map copyrighted OpenStreetMap contributors and available from https://www.openstreetmap.org .
Most of the information is kept on this map:

Background map copyrighted OpenStreetMap contributors and available from https://www.openstreetmap.org .
The lists of species kept in the Field data page were acquired on 104 space units:

Agrandissement des fenêtres.

161 landscape photos describe the same region:

The GPS coordinates of all objects are recorded in the data.