| Name | Rhododendron occidentale var. californicum (Torrey & A. Gray) Hrusa |
| Authorship | (Torrey & A. Gray) Hrusa |
| Rank | Variety |
| Placed in | Rhododendron occidentale (Torrey & A. Gray) A. Gray |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Rhododendron occidentale var. californicum (Torrey & A. Gray) Hrusa |
| Identification made in | [no date] (2), 2012 (1) |
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