Name(s) in cluster
| †Holdenia Cooper 1953 | urn:lsid:organismnames.com:name:2803377 |
| †Holdenia Cooper 1954 | urn:lsid:organismnames.com:name:2850080 |
| †Holdenia B. N. Cooper 1953 | urn:lsid:organismnames.com:name:2339120 |
| †Holdenia Cooper | urn:lsid:organismnames.com:name:2596558 |
Microreference
9
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