Cotula australis

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Cotula australis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Genus: Cotula
Species: C. australis
Binomial name
Cotula australis
(Sieber ex Spreng.) Hook.

Cotula australis is a species of plant in the daisy family known by the common names southern waterbuttons and Australian waterbuttons. This small plant is native to Australia and New Zealand, but it is known in other areas of the world as a common weed. The plant grows low to the ground in a thin mat with some slightly erect, spindly stems. The leaves are divided and subdivided into fringelike lobes. The plant flowers in inflorescences only a few millimetres wide containing minuscule yellow disc florets surrounded by greenish brown bracts. The fruit is a tiny winged achene about a millimetre wide.

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