| Name | Diphyscium chiapense subsp. unipapillosum (Deguchi) T. Y. Chiang & S. H. Lin |
| Authorship | (Deguchi) T. Y. Chiang & S. H. Lin |
| Rank | Subspecies |
| NomenclaturalStatus | Unknown |
| Placed in | Diphyscium chiapense D. H. Norris |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Diphyscium chiapense subsp. unipapillosum (Deguchi) T. Y. Chiang & S. H. Lin |
| Identification made in | [no date] (1) |