Hummia onusta
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Ectocarpales
- family: Chordariaceae
- genus: Hummia
- species: Hummia onusta
Bridgeport- Stratford
Connecticut- Mattapoisett
- Mattapoisett Center
- Quincy
Massachusetts
United States