| Name | Parsonsia lata Markgraf |
| Authorship | Markgraf |
| Rank | Species |
| Placed in | Parsonsia R. Brown |
| Citation | 1927 Bot. Jahrb. Syst. 61: 221 |
| Holdings | 31 Specimens held in the Harvard University Herbaria identified as Parsonsia lata Markgraf |
| Identification made in | [no date] (9), 1995 (20), 1998 (1), 1999 (1) |