Oedogonium crenulatocostatum
- kingdom: Plantae
- phylum: Chlorophyta
- class: Chlorophyceae
- order: Oedogoniales
- family: Oedogoniaceae
- genus: Oedogonium
- species: Oedogonium crenulatocostatum
- Bridgeport
Connecticut- Eastham
- Lynn
- North Eastham
- South Peabody
Massachusetts
United States