Brazilian red alga
- kingdom: Plantae
- phylum: Rhodophyta
- class: Florideophyceae
- order: Gigartinales
- family: Cystocloniaceae
- genus: Hypnea
- species: Hypnea cervicornis
Saint George
Saint George
Bermuda
Cataño
Catano
Culebra
Culebra
Guánica
Guanica
La Parguera
Lajas
Puerto Rico
Ka‘a‘awa