Radula australis
- kingdom: Plantae
- phylum: Marchantiophyta
- class: Jungermanniopsida
- order: Porellales
- family: Radulaceae
- genus: Radula
- species: Radula australis
San Diego de los Baños
Pinar del Río
CubaAugusta
GeorgiaPearl River
LouisianaGulf Hills
Ocean Springs
MississippiCenterville
Lincolnville
Summerville
South Carolina
United States