| Name | Fontinalis antipyretica var. patula (Cardot) W. H. Welch |
| Authorship | (Cardot) W. H. Welch |
| Rank | Variety |
| Placed in | Fontinalis antipyretica Hedwig |
| Citation | 1934 Moss Fl. N. Amer. 3: 238 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Fontinalis antipyretica var. patula (Cardot) W. H. Welch |
| Identification made in | [no date] (1) |