| Name | Robinia viscosa var. hartwigii (Koehne) Ashe |
| Authorship | (Koehne) Ashe |
| Rank | Variety |
| Placed in | Robinia viscosa Ventenat |
| Citation | 1922 J. Elisha Mitchell Sci. Soc. 37(3–4): 175 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Robinia viscosa var. hartwigii (Koehne) Ashe |
| Identification made in | [no date] (2), 2015 (4), 2016 (1) |