| Name | Ptisana obesa (Christ) Murdock |
| Authorship | (Christ) Murdock |
| Rank | Species |
| Placed in | Ptisana Murdock |
| Citation | 2008 Taxon 57(3): 748 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Ptisana obesa (Christ) Murdock |
| Identification made in | 2007 (6) |