| Name | Lactuca squarrosa (Thunb.) Maxim. |
| Authorship | |
| Rank | Species |
| Placed in | Lactuca Linnaeus |
| Remarks | [imported from GBIF] |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Lactuca squarrosa (Thunb.) Maxim. |
| Identification made in | [no date] (2) |