| Name | Physaria ludoviciana (Nuttall) O'Kane & Al-Shehbaz |
| Authorship | (Nuttall) O'Kane & Al-Shehbaz |
| Rank | Species |
| Placed in | Physaria |
| Citation | 2002 Novon 12(3): 325 |
| Holdings | 127 Specimens held in the Harvard University Herbaria identified as Physaria ludoviciana (Nuttall) O'Kane & Al-Shehbaz |
| Identification made in | [no date] (126), 2005 (1) |
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