| Name | Zexmenia helianthoides f. lanceolata Hassler |
| Authorship | Hassler |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Zexmenia helianthoides (de Candolle) A. Gray |
| GUID | urn:lsid:ipni.org:names:287268-2 |
| Citation | 1915 Repert. Spec. Nov. Regni Veg. 14: 178 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Zexmenia helianthoides f. lanceolata Hassler |
| Identification made in | 1987 (1) |
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