Green alga
- kingdom: Plantae
- phylum: Chlorophyta
- class: Ulvophyceae
- order: Ulvales
- family: Ulvaceae
- genus: Ulva
- species: Ulva compressa
Birkenhead
Encounter Bay
South Australia
Australia
Welchman Hall
Saint Thomas
Barbados
Torres
Rio Grande do Sul
Brazil
Saint Andrews
New Brunswick
Canada
La Esperanza
Pinar del Río
Cuba
La Julia
Nacional
San Pedro de Macorís
San Pedro de Macorís
Dominican Republic
Brest
A2
France
Pointe-à-Pitre
Guadeloupe
Guadeloupe
Ennis
Munster
Ireland
Port Antonio
Portland
Jamaica
Muroran
Hokkaido
Japan
Ebene
Plaines Wilhems
Mauritius
Kaikoura
Canterbury
New Zealand
Mayabon
Santander
Siquijor
Zamboanguita
Central Visayas
Linaon
Western Visayas
Philippines
Benicia
San Francisco
San Pedro
Santa Barbara
Santa Cruz
California
Eastport
Maine
Solomons
Maryland
Onset
Massachusetts
Newport
Rhode Island
Charleston
South Carolina
Rocky Point
Tracyton
Washington
United States
Magdeburg
Fuig
Hasslö
Bembridge