Title: The population structure and reproductive biology of Gymnostoma australianum L. Johnson
Description: The genus gymnostoma (Casuarinaceae) has a fossil hiostory which indicates a widespread ancestral range across souithern Australia. The genus occurs today throughout Malesia and Melanesia. The only Australian extant species, Gymnostoma australianum, forms locally abundant, aggregated populations within a restricted geographic range in rain forest of the wet tropics.