| Auteur(s) | Roberts, S. |
| Jaar | 2014 |
| Titel | Andrena asperrima. The IUCN Red List of Threatened Species 2014: e.T19199554A43066943. Downloaded on 14 September 2016. |
| Auteur(s) | Roberts, S. |
| Jaar | 2014 |
| Titel | Andrena asperrima. The IUCN Red List of Threatened Species 2014: e.T19199554A43066943. Downloaded on 14 September 2016. |