| Name | Heterotheca villosa var. sierrablancensis Semple |
| Authorship | Semple |
| Rank | Variety |
| Placed in | Heterotheca villosa (Pursh) Shinners |
| Citation | 1996 Univ. Waterloo Biol. Ser. 37: 146, fig |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Heterotheca villosa var. sierrablancensis Semple |
| Identification made in | [no date] (2), 1998 (1) |
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