Penicillus dumetosus
- kingdom: Plantae
- phylum: Chlorophyta
- class: Ulvophyceae
- order: Bryopsidales
- family: Udoteaceae
- genus: Penicillus
- species: Penicillus dumetosus
Sandy Bay
Bay Islands
HondurasManchioneal
PortlandRunaway Bay
St AnnAnnotto Bay
St. MaryDuncans
Trelawny
JamaicaCulebra
CulebraIndios
GuayanillaPunta Santiago
Humacao
Puerto RicoVieux Fort
Vieux-Fort
Saint LuciaBig Coppitt Key
Lakes by the Bay
Marathon
Florida
United States