| Name | Lactuca humifusa Dunn |
| Authorship | Dunn |
| Rank | Species |
| Placed in | Lactuca Linnaeus |
| Citation | 1903 J. Linn. Soc., Bot. 35(247): 512 |
| Holdings | 5 Specimens held in the Harvard University Herbaria identified as Lactuca humifusa Dunn |
| Identification made in | [no date] (3), 2015 (1), 2016 (1) |
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