Pine Flatwoods

The Pine Flatwoods habitat covers over 50% of Florida natural ecosystem area.
The most common pine is Slash Pine or Pinus elliottii.
Here are links:  http://www.sfrc.ufl.edu/extension/florida_forestry_information/forest_resources/pine_flatwoods.html
http://www.sfrc.ufl.edu/4h/Ecosystems/Flatwoods/flatwoods.html
http://pinellas.fnpschapters.org/flatwoods.html

 Here are pines with Sabal Palm/Sabal palmetto.

and native grasses, in this case,  Saw Grass or Cladium jamaicense.

Flatwood environments are heavily dependant on regeneration through fire - the plants are adapted to common wildfires and do not thrive without it.