Athel Pine, Athel Tree, Athel Tamarix
Shrub or tree to 12m tall. Leaves scale-like, alternating up the stems, 1-2mm long. Male and female flowers on the same plant. Flowers often small (less than 3mm across), pink to white, with 5 small petals, in spikes along the stems. A weed of national significance. Noxious weed all of NSW. Declared plant SA. Noxious weed Vic.
Weeds of Australia Biosecurity Queensland Edition description: http://keyserver.lucidcentral.org/weeds/data/03030800-0b07-490a-8d04-0605030c0f01/media/Html/Tamarix_aphylla.htm