Georgina Gidgee, also known as Acacia Georginae is the only tree of any size that occurs in the park’s dune system. This tree species grows throughout the Georgina Basin – hence it’s name Georgina Gidgee. The tree contains the chemicals sodium fluro-acetate which is the active constituent in the poison 1080 – a poison commonly used to control feral animals. Another similar tree although occurring to the east of the park boundary in the Eyre
Creek channels is the Coolibah Eucalyptus (Coolabah).