So sorry to hear about the damage that Matthew did to your property.
I agree with
@dyzzypyxxy. I bet a lot of ferns will sprout in the spring.
I do grow ferns but didn't know that you could buy fern spores online or otherwise. Of course one can find all kinds of things online. Do you know anyone who has actually done this? I'm just
nosy curious. And the sites that sell the spores - - do they specify what kind of ferns? Ok. I could google it. Would hope that you wouldn't inadvertently be introducing a type of non-native fern. Now that I think about it, I
am going to google.
Good luck in restoring your property.