| Name | Hosackia oblongifolia var. angustifolia Watson |
| Authorship | Watson |
| Rank | Variety |
| Placed in | Hosackia oblongifolia Bentham |
| Citation | 1876 Bot. California 1: 135 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hosackia oblongifolia var. angustifolia Watson |
| Identification made in | [no date] (1) |