Dictyopteris justii
- kingdom: Chromista
- phylum: Ochrophyta
- class: Phaeophyceae
- order: Dictyotales
- family: Dictyotaceae
- genus: Dictyopteris
- species: Dictyopteris justii
Welchman Hall
Saint Thomas
BarbadosHamilton
Hamilton citySaint George
Saint George
BermudaLa Esperanza
Pinar del Río
CubaBoca de Yuma
La Altagracia
Dominican RepublicPort Royal
KingstonPort Antonio
Portland
JamaicaJupiter
Lake Clarke Shores
Lake Worth
FloridaMedford
Massachusetts
United States