| Name | Pterigynandrum filiforme var. mexicanum Thériot |
| Authorship | Thériot |
| Rank | Variety |
| Placed in | Pterigynandrum filiforme Hedwig |
| Citation | 1928 Rev. Bryol. 1: 9 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Pterigynandrum filiforme var. mexicanum Thériot |
| Identification made in | [no date] (2), 2011 (1) |
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