Feldmannia hemisphaerica
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Ectocarpales
- family: Acinetosporaceae
- genus: Feldmannia
- species: Feldmannia hemisphaerica
Avalon
Hermosa Beach
La Jolla
Redondo Beach
San Pedro
California
United States