| Name | Taraxacum longii Fernald |
| Authorship | Fernald |
| Rank | Species |
| Placed in | Taraxacum F. H. Wiggers |
| Citation | 1933 Rhodora 35: 379, tab. 273, figs. 1-4 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Taraxacum longii Fernald |
| Identification made in | [no date] (1), 2020 (1) |