| Name | Phylliscum demangeonii (J. B. Mougeot & J. P. F. C. Montagne) Nylander |
| Authorship | (J. B. Mougeot & J. P. F. C. Montagne) Nylander |
| Rank | Species |
| Placed in | Phylliscum Nylander |
| Citation | 1855 Mém. Soc. Sci. Nat. Cherbourg 3: 166 |
| Holdings | 19 Specimens held in the Harvard University Herbaria identified as Phylliscum demangeonii (J. B. Mougeot & J. P. F. C. Montagne) Nylander |
| Identification made in | [no date] (19) |