| Name | Helianthus petiolaris var. canescens A. Gray |
| Authorship | A. Gray |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Helianthus petiolaris Nuttall |
| GUID | urn:lsid:ipni.org:names:119217-2 |
| Citation | 1852 Smithsonian Contr. Knowl. 3(5): 108 |
| Holdings | 16 Specimens held in the Harvard University Herbaria identified as Helianthus petiolaris var. canescens A. Gray |
| Identification made in | [no date] (8), 1940 (1), 1949 (4), 2007 (3) |
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