| Citation | IUCN, 2011 IUCN Red List of Threatened Species. Version 2011.2. IUCN 2011. IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded in November 2011. |
| Réf. | 89450 IUCN, 2011 |
| Page | |
| Nommé Utilisé comme valide | Biarctus sordidus |
| Localité | |
| Distribution |