| Name | Hieracium megacephalon Nash |
| Authorship | Nash |
| Rank | Species |
| Placed in | Hieracium Linnaeus |
| Citation | 1895 Bull. Torrey Bot. Club 22(4): 152-153 |
| Holdings | 39 Specimens held in the Harvard University Herbaria identified as Hieracium megacephalon Nash |
| Identification made in | [no date] (39) |
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