| Name | Fissidens crassinervis Sande Lacoste |
| Authorship | Sande Lacoste |
| Rank | Species |
| Placed in | Fissidens Hedwig |
| Citation | 1872 Verh. Kon. Akad. Wetensch., Afd. Natuurk. 13: 3. pl. 2: a |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Fissidens crassinervis Sande Lacoste |
| Identification made in | [no date] (7), 2017 (2) |