| Name | Parsonsia laxiflora Guillaumin |
| Authorship | Guillaumin |
| Rank | Species |
| Placed in | Parsonsia R. Brown |
| Citation | 1945 Notul. Syst. (Paris) 12: 80 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Parsonsia laxiflora Guillaumin |
| Identification made in | [no date] (2) |