Batrachospermum helminthosum
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Batrachospermales
- family: Batrachospermaceae
- genus: Batrachospermum
- species: Batrachospermum helminthosum
Bridgeport
Ridgefield
ConnecticutPlainsboro Center
Princeton Junction
New JerseyHalesite
Huntington
Huntington Station
New YorkExeter
Rhode Island
United States