Here's another example with the min shading rate lowered to .25 and the light at a better angle.

It's not perfect and the roots are still a big problem, but you can see it doesn't look too bad either.

WARK!

Thus Spoketh Winterclaw: a blog about a Winterclaw who speaks from time to time.

 

(using Poser Pro 2014 SR3, on 64 bit Win 7, poser units are inches.)