| Name | Parsonsia marginata Markgraf |
| Authorship | Markgraf |
| Rank | Species |
| Placed in | Parsonsia R. Brown |
| Citation | 1927 Bot. Jahrb. Syst. 61: 215 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Parsonsia marginata Markgraf |
| Identification made in | [no date] (2), 1995 (2), 2002 (1) |