Polarimetry unsupervised classification

I am wondering if anyone can help me identify, which of these Classes indicate ‘Vegetation’…
Thanks a ton in advance.

Volume scattering of medium entropy is mostly attached to vegetation but it depends on your study area and how the vegetation is composed (leafs, branches, height, shape…).

Have a look at the Alpha-Entropy zone description in chapter 6.9:

Thank you ABraun