I redid fern almost from scratch using a similar approach as with leaves. It looks more organic now while keeping the original pattern and overall shape. I still need to fix some of the seams that still show at the edges but it should overall look close to this.
I also streamlined the flowers’ PBR data and added some more with improved POM/normals/edges (cornflower and dandelion)
Continuum 2.1 alpha build 12 
Kappa v3.1 
Kappa v3.1
Continuum 2.1 alpha build 12 
Kappa v3.1 
Kappa v3.1 
Continuum 2.1 alpha build 12 
Kappa v3.1
HardTop Vanillaccurate 