Myriophyllum amphibium

Common name: 

Broad Water Milfoil

Family: 

Haloragaceae

Distribution (from Flora of Victoria):

Wannon, Grampians, Otway Plain, Otway Range, Gippsland Plain, Wilsons Promontory, East Gippsland (CDEJKNPSTWZ) also SA, Tas

Map - Australia's Virtual Herbarium

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

Found around lakes, boggy streams and rivers1

Flower description:

Male: red, female: petals absent1

Habit:

Perennial semi-aquatic herb1

Distinguishing characteristics (within family/genus):

The leaves of this species are opposite, 5-25 mm long and sometimes lobed. Male and females flowers are separate. Male flowers are sessile with 4 sepals and 4 red petals. Female flowers have triangular sepals, no petals and red stigmas1

Images:
Image of Myriophyllum amphibium
Image of Myriophyllum amphibium
Links to more images:

Atlas of Living Australia

Links to description of this species:

RBG

Conservation status:

Not threatened

References:

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