You can export some things from Bryce like terrains and lattices, but trees are made of metaballs, this is why you can't export them. Metaballs and Bryce primitives can't be exported.

This is not my "second childhood". I'm not finished with the first one yet.

Time flies like an arrow; fruit flies like a banana.

"I'd like to die peacefully in my sleep like my grandfather....not screaming in terror like the passengers on his bus." - Jack Handy