| Name | Helianthus petiolaris subsp. canescens (A. Gray) D. J. Keil |
| Authorship | (A. Gray) D. J. Keil |
| Rank | Subspecies |
| Placed in | Helianthus petiolaris Nuttall |
| GUID | urn:lsid:ipni.org:names:1143076-2 |
| Citation | 2010 Aliso 28: 57 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Helianthus petiolaris subsp. canescens (A. Gray) D. J. Keil |
| Identification made in | 2014 (3) |
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