| Name | Quercus undulata var. grisea (Liebmann) Engelmann |
| Authorship | (Liebmann) Engelmann |
| Rank | Variety |
| Placed in | Quercus undulata Torrey |
| Citation | 1877 Trans. Acad. Sci. St. Louis 3: 393 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Quercus undulata var. grisea (Liebmann) Engelmann |
| Identification made in | [no date] (2) |
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