| Name | Closterium directum W. Archer |
| Authorship | W. Archer |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Closterium |
| Contains | Closterium directum f. gracilior R.Gutwinski Closterium directum var. oligocampylum (Schmidle) Ruzicka Closterium directum var. recurvatum (Roll) Willi Krieger |
| Remarks | Created from Taxon Name Import: Closterium directum W. Archer |
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