| Name | Solenostoma gracillimum (Smith) R. M. Schuster |
| Authorship | (Smith) R. M. Schuster |
| Rank | Species |
| Placed in | Solenostoma |
| Citation | 1969 Hepat. Anthocerotae N. Amer. 2: 972 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Solenostoma gracillimum (Smith) R. M. Schuster |
| Identification made in | [no date] (3), 2018 (1) |