| Name | Calyptothecium crispulum (Bescherelle & Sande Lacoste) Brotherus |
| Authorship | (Bescherelle & Sande Lacoste) Brotherus |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Calyptothecium |
| Citation | 1906 Nat. Pflanzenfam. [Engler & Prantl] I(3): 839 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Calyptothecium crispulum (Bescherelle & Sande Lacoste) Brotherus |
| Identification made in | 1984 (2), 2016 (2) |