Diplazium australe
- kingdom: Plantae
- phylum: Tracheophyta
- class: Polypodiopsida
- order: Polypodiales
- family: Athyriaceae
- genus: Diplazium
- species: Diplazium australe
- Greenwich
- Kirribilli
- Milsons Point
- Neutral Bay
- North Sydney
- Sydney
New South Wales
Australia