| Name | Ptisana costulisora (Alston) Murdock |
| Authorship | (Alston) Murdock |
| Rank | Species |
| Placed in | Ptisana Murdock |
| Citation | 2008 Taxon 57(3): 749 |
| Holdings | 14 Specimens held in the Harvard University Herbaria identified as Ptisana costulisora (Alston) Murdock |
| Identification made in | [no date] (3), 2007 (11) |
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