Name(s) in cluster
| Orthocladius hygropetricus Kieff. | urn:lsid:organismnames.com:name:3213520 |
| Orthocladius hygropetricus Kieffer 1922 | urn:lsid:organismnames.com:name:3434578 |
| Orthocladius hygropetricus | urn:lsid:organismnames.com:name:3557305 |
| Orthocladius hygropetricus Kieffer 1911 | urn:lsid:organismnames.com:name:484494 |
...