Running across the ground
Under a patch of shade at Bell Creek Nature Preserve, a gathering of lichen coat the ground around the tree. The white fungi is composed of fine branching.
Kingdom: Fungi
Phylum: Ascomycota
Correct identification made possible with pictured guide: http://www.wildflorida.com/wildlife/plants/Deer_Moss.php
3 infant gopher tortoises predated by mystery animal, possibly armadillo. Most dug up and disturbed, 3 deceased babies left. Absolutely heartbreaking, but its nature...
Identification based on observed adults
Same organism as https://www.inaturalist.org/observations/194580737