Indeed, there is are significant difference between the maps. Perhaps most notably in Baden-Würtemberg where there seems to be a lot of fir. But I also think there is a a clear correlation between the maps. I also find it interesting to see the correlation between the suitable habitat for oakwood and the absence of forests.
I found this map of dominant tree species in Germany while investigating it:
https://atlas.thuenen.de/layers/geonode:Dominant_Species_Class
Indeed, there is are significant difference between the maps. Perhaps most notably in Baden-Würtemberg where there seems to be a lot of fir. But I also think there is a a clear correlation between the maps. I also find it interesting to see the correlation between the suitable habitat for oakwood and the absence of forests.