| Name | Pseudocodon convolvulaceus subsp. forrestii (Diels) D. Y. Hong |
| Authorship | (Diels) D. Y. Hong |
| Rank | Subspecies |
| Placed in | Pseudocodon convolvulaceus D. Y. Hong & H. Sun |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Pseudocodon convolvulaceus subsp. forrestii (Diels) D. Y. Hong |
| Identification made in | [no date] (3) |