Scientific Name: Althenia patentifolia
Common Name: spreading watermat
Family Classification (Clade): Monocots
Family: Potamogetonaceae
Threatened Species Status: Rare
Permit: It is an offence to collect, disturb, damage or destroy this species unless under permit.
Form Description: Variable herb with horizontal underground stems and flat, narrow-bladed leaves held at right angles to the plant.
Height (m): 0.2 – 0.45
Flowers: Male flowers are usually together in pairs, and female flowers solitary; all flowers are borne in the leaf axils.
Fruit: Achene – dry, leathery, 1.5-2.25mm long, with warty protrusions.
Municipality
Plant Communities
Habitat Notes
Coastal lagoons, creeks, inlets and estuaries, and inland brackish lagoons. Historically recorded from King Island, the Midlands, north-east, east coast and south-west, however the only available records are from the south-west, at Moulting Lagoon and New River Lagoon.
General Notes
Semi-aquatic plant.
Propagation Calendar
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Propagation Method
Seed Information
Cutting & Division Information
Easily grown from division or cuttings.