| Name | Lactuca ludoviciana (Nuttall) Riddell |
| Authorship | (Nuttall) Riddell |
| Rank | Species |
| Placed in | Lactuca Linnaeus |
| Citation | 1835 W. J. Med. Phys. Sci. 8: 491 |
| Holdings | 41 Specimens held in the Harvard University Herbaria identified as Lactuca ludoviciana (Nuttall) Riddell |
| Identification made in | [no date] (41) |
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