| Name | Haematomma ventosum (Linnaeus) A. Massalongo |
| Authorship | (Linnaeus) A. Massalongo |
| Rank | Species |
| Placed in | Haematomma A. Massalongo |
| Citation | 1852 Ric. Auton. Lich. Crost. 33, fig. 54 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Haematomma ventosum (Linnaeus) A. Massalongo |
| Identification made in | [no date] (1) |