| Name | Calymperes constrictum Sullivant |
| Authorship | Sullivant |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Calymperes |
| Citation | 1859 U.S. Expl. Exped., Musci 6. pl. 3: a |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Calymperes constrictum Sullivant |
| Identification made in | [no date] (3), 1978 (3) |
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