I found these fern slices just recently when I purchased some Bromelias for my enclosure. Plant stores like to mount broms on them I am definitely thinking I will use it for my next build as it seems to retain moisture really well and they look really good too. Easy to mount plants on and probably hold up to a bit more punishment from tree frogs which seem to destroy my fibres over silicon backgrounds.

I actually have placed a couple of pieces of it under my substrate, just below the top soil in a few places to elevate the areas and in a hope that it might offer a good support for roots of ground cover to grow into.