So, in my infinite boredom, I dared to do what nobody on this wiki has done before: MAKE A MAP OF THE SPORE REVOLUTION UNIVERSE (or, at least, of the major space empires in the area of the Milky Way most of the series take place in).

So, without further ado, here it is: 
Sr headcanon map

If you're having trouble reading it, then click to make it bigger in a new tab.

Please note that this is entirely headcanon and should be taken with a grain of salt. Therefore, don't complain if this map doesn't match up with what you think an empire looks like. Also, if an empire is not listed, then I either forgot about it, it got conquered/destroyed, or the empire's territory is beyond this map (most likely).

And if you're curious, here's the base image I used.