Australian waterbuttons
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Asterales
- family: Asteraceae
- genus: Cotula
- species: Cotula australis
Antwerpen
Blankenberge
Koksijde
Nieuwpoort
Wenduine
Flanders
BelgiumCaxias do Sul
Rio Grande do Sul
BrazilNorth Shore
Auckland
New ZealandAtiquipa
Arequipa
PeruColma
Davis
Menlo Park
Mission Canyon
Palo Alto
Stanford
California
United States