I had same worries(see my pics of hammock in"State Park"
I spoke with FL trail folks, not much of trail is in State parks. They were not even aware of the regs, but most of trail is through State "Forest", private land and national. Good to hang. Even so, i would not feel guilty going stealth and not getting caught. So, needless to say, we are going on another trip in DuPois in 2 weeks
Happy hanging, NA