Flora of Australia [OP]

Volume 44A of the Flora of Australia documents four subfamilies of the grass family Poaceae, describing 77 genera and 405 species.

The largest subfamily is the Pooideae, a predominantly temperate group with many annual species. It includes the large endemic genus Austrostipa, an important component of native pastures, but one which also contaminates wool and injures stock with its penetrating seeds. Poa, also largely endemic, grows mainly in southern areas of A…