Flora of Victoria

Annual marsh herb; stems erect or procumbent, 2–5 cm tall, mostly c. 0.5 mm diam., rooting only at the base. Leaves alternate, linear to terete, lowermost rarely trifid, 1.5–7 mm long, margins entire. Bracteoles linear, c. 0.3 mm long, straw-coloured; flowers solitary, sessile. Male flowers: sepals absent; petals 4, 0.4–0.5 mm long, red; stamens 2. Female flowers: sepals and petals absent; ovary 4-celled, styles sessile, stigmas white. Fruit globular, yellow-brown to reddish; mericarps ovoid, 0.6–1 mm long, smooth to minutely granular, apex oblique. Flowers Aug.–Jan.

CVU, DunT, GipP, Glep, Gold, GGr, HNF, HSF, LoM, MuF, MuM, NIS, OtP, VAlp, VRiv, VVP, WaP, Wim. Also SA, Tas. Scattered widely across northern and western Victoria but less common in the south-east. Grows in winter-wet depressions and other wet areas and is often inconspicuous amongst larger swamp plants.

See notes under Myriophyllum glomeratum.

Source: Jeanes, J.A. (1996). Haloragaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 3, Dicotyledons Winteraceae to Myrtaceae. Inkata Press, Melbourne.

Updated by: Val Stajsic, 2017-08-16

life Life

kingdom Plantae

phylum Tracheophyta

class Magnoliopsida

superorder [Saxifraganae]

order Saxifragales

family Haloragaceae

genus Myriophyllum

Higher taxa

species Myriophyllum integrifolium (Hook.f.) Hook.f.

Victoria

**Source:** AVH (2014). *Australia's Virtual Herbarium*, Council of Heads of Australasian Herbaria, <http://avh.chah.org.au>. Find Myriophyllum integrifolium in AVH ; *Victorian Biodiversity Atlas*, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Myriophyllum integrifolium in Victorian Biodiversity Atlas

Bioregion	Occurrence status	Establishment means
Lowan Mallee	present	native
Murray Mallee	present	native
Wimmera	present	native
Glenelg Plain	present	native
Victorian Volcanic Plain	present	native
Victorian Riverina	present	native
Murray Fans	present	native
Gippsland Plain	present	native
Otway Plain	present	native
Warrnambool Plain	present	native
Goldfields	present	native
Central Victorian Uplands	present	native
Greater Grampians	present	native
Dundas Tablelands	present	native
Northern Inland Slopes	present	native
Highlands-Southern Fall	present	native
Highlands-Northern Fall	present	native
Victorian Alps	present	native

Bioregions of Victoria

State distribution

State
Western Australia
South Australia
Victoria
Tasmania

Myriophyllum integrifolium (Hook.f.) Hook.f.

Tiny Water-milfoil

Victoria

State distribution