| Currently Accepted Name: | Lactuca canadensis Species L. |
| Locality: | United States. Kentucky. Madison: 15 meters east of Riparian interpretive sign. Near hickories. |
| Description: | Plant 5ft tall, orangish sap, flowers yellow, basal leaves absent, lower leaves pinnately lobed greater than half the distance to the mid-rib |
| Collector: | Thomas S. McFadden 117
with Armanda McFadden |