| Name | Hypogymnia gracilis McCune |
| Authorship | McCune |
| Rank | Species |
| Placed in | Hypogymnia (Nylander) Nylander |
| Citation | 2002 Lichen Fl. Gr. Sonoran Desert Region 1: 231 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Hypogymnia gracilis McCune |
| Identification made in | 2019 (1) |
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