| Name | Lactuca spicata var. integrifolia (Torrey & A. Gray) Britton |
| Authorship | (Torrey & A. Gray) Britton |
| Rank | Variety |
| Placed in | Lactuca spicata (Lamarck) Hitchcock |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Lactuca spicata var. integrifolia (Torrey & A. Gray) Britton |
| Identification made in | [no date] (1) |
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