There are 5 on the list I have not been to.
Others to add:
Oceano Dunes easy
Deadman's pass/Ryan loop moderate
Rasor Road OHVA moderate & sandy
Mojave Road easy
Warner Spring I.R. difficult
Mono Lake/Bodie easy
Owl Springs easy
Trona Pinacles easy
Tenaja truck trail easy
Azusa Canyon mud hole easy to just plain stupid
Hill & Dale moderate
Music Canyon easy
Humbug/Gold Crown Road easy
Berdoo Canyon easy
Echo Canyon easy
Titus Canyon easy
Dana Point Parade expect equipemt failures