| Name | Closterium angustatum var. annulatum E. O. Hughes |
| Authorship | E. O. Hughes |
| Rank | Variety |
| NomenclaturalStatus | Unknown |
| Placed in | Closterium angustatum Kützing ex Ralfs |
| Remarks | Created from Taxon Name Import: Closterium angustatum var. annulatum E. O. Hughes |
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