Posidonia australis

Common name: 

Fibre-ball Weed

Distribution (from Flora of Victoria):

Gippsland Plain (T) also WA, SA, NSW, Tas

Map - Australia's Virtual Herbarium

Distribution and ecological preference at Wilsons Promontory (if known):

Shallow water to 15 m deep1

Flower description:

Petals reduced to scales1


Marine, perennial, submerged herb1

Distinguishing characteristics (within family/genus):

Balls of fibre or 'Posidonia balls' are found on shores and are formed from the remains of P. australis and fragments of other seagrasses and algae1

Image of Posidonia australis
Conservation status:

Rare in Victoria


1 Walsh, N. G. and Entwisle, T. J. “Flora of Victoria”, volumes 2 (1994), 3 (1996) and 4 (1999). Inkata Press, Port Melbourne, Victoria