In 1917 the name of the township of Swamp Oak was changed to Weabonga. Macleay had collected the specimen growing on swamp oak ("Casuarina glauca") at Brownlow Hill. Thirty-nine crushing plants were operating at Swamp Oak in 1897. A police station and Court of Petty Sessions was established at Swamp Oak in 1891. The rat's tail orchid ("Dendrobium teretifolium") grows on the swamp oak. Weabonga, meaning "swampgum", was previously named Rywung, the "resting place", or Swamp Oak. Franz Sieber described the swamp oak as "Casuarina glauca" in 1826. Suckering from the roots, the swamp oak can form dense stands of trees. Swamp Oak, also known as Rywung, was gazetted as a township on 24 January 1891.