| Referens | IUCN, 2010 IUCN Red List of Threatened Species. Version 2010.2. IUCN 2010. IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded in August 2010. |
| Ref. | 84930 IUCN, 2010 |
| Sida | |
| Named Used as Valid | Polycyathus isabela |
| Observationsplats | |
| Distribution |