| Name | Fontinalis antipyretica var. mollis (Müller Halle) W. H. Welch |
| Authorship | (Müller Halle) W. H. Welch |
| Rank | Variety |
| Placed in | Fontinalis antipyretica Hedwig |
| Citation | 1934 Moss Fl. N. Amer. 3: 237 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Fontinalis antipyretica var. mollis (Müller Halle) W. H. Welch |
| Identification made in | [no date] (11) |