| Name | Physaria argyraea subsp. diffusa (Rollins) O'Kane & Al-Shehbaz |
| Authorship | (Rollins) O'Kane & Al-Shehbaz |
| Rank | Subspecies |
| NomenclaturalStatus | NomLeg |
| Placed in | Physaria argyraea (A. Gray) O'Kane & Al-Shehbaz |
| GUID | urn:lsid:ipni.org:names:1196507-2 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Physaria argyraea subsp. diffusa (Rollins) O'Kane & Al-Shehbaz |
| Identification made in | [no date] (2), 2009 (1) |
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