| Name | Closterium abruptum f. angustum R.L.Grnblad, |
| Authorship | R.L.Grönblad |
| Rank | Forma |
| NomenclaturalStatus | Unknown |
| Placed in | Closterium abruptum West |
| Remarks | Created from Taxon Name Import: Closterium abruptum f. angustum R.L.Grnblad, |
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