| Name | Pterobryon densum var. peracuminatum Cardot |
| Authorship | Cardot |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Pterobryon densum Hornschuch |
| Citation | 1910 Rev. Bryol. 37: 7 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Pterobryon densum var. peracuminatum Cardot |
| Identification made in | [no date] (1) |
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