| Name | Cliostomum flavidulum J. Hafellner & K. Kalb |
| Authorship | J. Hafellner & K. Kalb |
| Rank | Species |
| Placed in | Cliostomum |
| Citation | 1992 Herzogia 9(1-2): 61 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cliostomum flavidulum J. Hafellner & K. Kalb |
| Identification made in | [no date] (2) |