Posidonia australis

Common Name:

Fibre-ball Weed

Distribution (from Flora of Victoria):

Gippsland Plain (T) also WA, SA, NSW, Tas
Map - Australasian Virtual Herbarium

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

Shallow water to 15 m deep 1

Flower Description:

Petals reduced to scales 1


Marine, perennial, submerged herb 1

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 algae 1


Links to more images:

Atlas of Living Australia MELU

Links to description of this species:


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