Acrochaetium microscopicum
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Nemaliales
- family: Acrochaetiaceae
- genus: Acrochaetium
- species: Acrochaetium microscopicum
Port Elliot
South Australia
AustraliaBerwick-Upon-Tweed
Swanage
England
United Kingdom