Erythrotrichia ciliaris
- kingdom: Plantae
- phylum: Rhodophyta
- class: Compsopogonophyceae
- order: Erythropeltidales
- family: Erythrotrichiaceae
- genus: Erythrotrichia
- species: Erythrotrichia ciliaris
Arbroath
Scotland
United KingdomBridgeport
ConnecticutCohasset
North Scituate
Massachusetts
United States