Batrachospermum helminthosum
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Batrachospermales
- family: Batrachospermaceae
- genus: Batrachospermum
- species: Batrachospermum helminthosum
- Bridgeport
- Ridgefield
Connecticut- Plainsboro Center
- Princeton Junction
New Jersey- Halesite
- Huntington
- Huntington Station
New York- Exeter
Rhode Island
United States