Neoagardhiella baileyi
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gigartinales
- family: Solieriaceae
- genus: Agardhiella
- species: Neoagardhiella baileyi
Carmel-by-the-Sea- Montara
- Moss Beach
California- Cold Spring Harbor
- Laurel Hollow
New York
United States