Name(s) in cluster
| Apion difficile | urn:lsid:organismnames.com:name:342012 |
| Apion difficile Hrbst. | urn:lsid:organismnames.com:name:3591814 |
| Apion difficile (Herbst ) | urn:lsid:organismnames.com:name:4206149 |
| Apion difficile Herbst in Jablonsky 1797 | urn:lsid:organismnames.com:name:4763482 |
...