| Name | Adiantum davidii var. longispina Ching |
| Authorship | Ching |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Adiantum davidii Franchet |
| Citation | 1957 Acta Phytotax. Sin. 6: 333 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Adiantum davidii var. longispina Ching |
| Identification made in | [no date] (1) |
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