On The Fountain of Grace , painted by the workshop of Jan van Eyck, there are twenty different species painted.
This is the catalogue edited for the exhibition of this artwork at the Museo del Prado . Inside you will find an article in Spanish to know more about all the botany inside this masterpiece.
Four of the pages compares the depicted plants with an example in the nature.
You can appreciate this masterpiece on the  Prado’s website .
This catalogue it is only available in Spanish .