Kernel Remover - Where does he find the kernels?

[JohnD]

                                                                     
Currently in my boot directory are the following files:



But Linux Lites Kernel Remover reports:


[size=1.35em]Because the Kernel Remover finds more Linux kernels than I see in /boot, I wonder how and in which directories does the kernel remover search for existing Linux kernels?[/size]

This is no criticism of Linux Lite's Kernel Remover, I only try to deepen my Linux knowledge.