| Name | Closterium pusillum Hantzsch |
| Authorship | Hantzsch |
| Rank | Species |
| NomenclaturalStatus | Unknown |
| Placed in | Closterium |
| Contains | Closterium pusillum var. applanatum Willi Krieger & P.Bourrelly Closterium pusillum var. laticeps Grönblad Closterium pusillum var. major J.Roy & J.Bisset Closterium pusillum var. majus Raciborski Closterium pusillum var. minus V.Allorge & P.Allorge Closterium pusillum var. monolithum Wittrock Closterium pusillum var. subrectum West & G.S.West Closterium pusillum f. terrestre Skuja |
| Remarks | Created from Taxon Name Import: Closterium pusillum Hantzsch |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Closterium pusillum Hantzsch |
| Identification made in | [no date] (1) |