| Name | Navarretia leucocephala subsp. diffusa Björk |
| Authorship | Björk |
| Rank | Subspecies |
| Placed in | Navarretia leucocephala Bentham |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Navarretia leucocephala subsp. diffusa Björk |
| Identification made in | [no date] (1) |
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