[1] It passes through the 8,032-acre (3,250 ha) Turkey Creek Unit of the Big Thicket National Preserve on its way south.

[2] The floodplains surrounding Turkey Creek host cypress sloughs, baygalls, swamps and beaver ponds.

[1] Tree species found in the associated plant communities include Bald cypress (Taxodium distichum), Tupelos (Nyssa sp.

[2] Associated tree species found in the drier sandylands include sand post oak (Quercus margarettae) and Bluejack Oak (Quercus incana), while Swamp tupelo (Nyssa biflora) and Swamp Titi (Cyrilla racemiflora) are found in the moist savannas.

At least 70 species of tree, 50 shrubs, 40 vines, and 468 herbaceous plants are found in the section of the National Preserve it passes through.