| Name | Philonotis fontana var. microthamnia Kindberg |
| Authorship | Kindberg |
| Rank | Variety |
| Placed in | Philonotis fontana (Hedwig) Bridel |
| Citation | 1910 Ottawa Naturalist 23: 183 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Philonotis fontana var. microthamnia Kindberg |
| Identification made in | [no date] (1) |
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