| Name | Viola diffusa subsp. tenuis (Bentham) W. Becker | 
| Authorship | (Bentham) W. Becker | 
| Rank | Subspecies | 
| Placed in | Viola diffusa Gingins | 
| Citation | 1921 Philipp. J. Sci. 19(6): 714-715 | 
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Viola diffusa subsp. tenuis (Bentham) W. Becker | 
| Identification made in | [no date] (3) |