| Name | Sidalcea hickmanii subsp. petraea S. R. Hill & Halse |
| Authorship | S. R. Hill & Halse |
| Rank | Subspecies |
| Placed in | Sidalcea hickmanii Greene |
| Citation | 2014 Phytoneuron 2014-113: 2 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Sidalcea hickmanii subsp. petraea S. R. Hill & Halse |
| Identification made in | [no date] (3) |
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