Gelidium rigidum
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gelidiales
- family: Gelidiaceae
- genus: Gelidium
- species: Gelidium rigidum
Duncan Town
Ragged Island
Bahamas
Hope Bay
Portland
Jamaica
Ebene
Plaines Wilhems
Mauritius
Saint Croix
Saint Croix Island
Virgin Islands, U.S.
Jérémie