Gayralia oxysperma
- kingdom: Plantae
- phylum: Chlorophyta
- class: Ulvophyceae
- order: Ulvales
- family: Gayraliaceae
- genus: Gayralia
- species: Gayralia oxysperma
Saint George
Saint George
Bermuda- United Kingdom
Bridgeport
ConnecticutRockland
MaineEast Falmouth
Eastham
North Falmouth
Teaticket
Vineyard Haven
Massachusetts
United States