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    Impletosphaeridium tenuifilum
                    | tenuifilum | |
| Cookson, I.C. and Eisenack, A. (1982) | |
| Cookson, I.C. and Eisenack, A. (1982) | |
| questionably active | |
| 66 | |
| 56 | |
| 
                                                            No synonyms
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