Fishermen gathered and burned Casuarinaceae's leaves around those vessels in order to deal with shipworm that bored into them.
The roots have nitrogen-fixing nodules that contain the soil actinomycete Frankia.
The park contains an abundance of native flora including Jarrah, Marri, Zamia, Bull Banksia, Sheoak and Grass tree.
Areas of grassland remain along with other vegetation communities of heathy scrub, regenerating scrub, sheoak woodland, sedgeland and coastal mosaic.