Batrachospermum atrum
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Batrachospermales
- family: Batrachospermaceae
- genus: Batrachospermum
- species: Batrachospermum atrum
- France
- Bräkne-Hoby
- Mörrum
Blekinge- Höör
Skåne
Sweden- Penzance
England
United Kingdom