| Name | Hemizonia parryi subsp. congdonii (B. L. Robinson & Greenman) D. D. Keck |
| Authorship | (B. L. Robinson & Greenman) D. D. Keck |
| Rank | Subspecies |
| Placed in | Hemizonia parryi Greene |
| Holdings | 9 Specimens held in the Harvard University Herbaria identified as Hemizonia parryi subsp. congdonii (B. L. Robinson & Greenman) D. D. Keck |
| Identification made in | [no date] (7), 1935 (2) |
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