| Name | Cistanthe tweedyi (A. Gray) Hershkovitz |
| Authorship | (A. Gray) Hershkovitz |
| Rank | Species |
| Placed in | Cistanthe Spach |
| Citation | 1990 Phytologia 68(4): 268 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Cistanthe tweedyi (A. Gray) Hershkovitz |
| Identification made in | [no date] (5) |