Instanced Foliage Actor not visible in World Outliner?

To give this some context: I’m trying to clean up my laggy scene.

While trying to group everything in folders and turning stuff on and off in the viewport I noticed there was one actor I could never find in my World Outliner. It was the Instanced Foliage Actor. The assets I had painted within the Foliage mode were all that was left when I turned everything off.

As I’m trying to do some tests by turning this actor on and off, it would be very helpful to have this in the World Outliner as well. Do you think it’s possible?