| Locality: | United States. Indiana. Floyd: Brock-Sampson Nature Preserve. 38° 11' 53" N, 85° 54' 19" W |
| Habitat: | "In degraded mesic floodplain forest adjacent to old tobacco barn. Associated species: Acer negundo, Alliaria petiolata, Allium vineale, Cardamine hirsuta, Erythronium americanum, Euonymus alatus, Galium aparine, Impatiens capensis, Juglans nigra, Lamium purpureum, Liquidambar styraciflua, Liriodendron tulipifera, Lonicera maackii, Lonicera japonica, Microstegium vimineum, Platanus occidentalis, Rosa multiflora, Sambucus canadensis, Stellaria media. A lot of leaf shape variation in population; all plants in collection within 10' x 5' area. Note that some plants in population fit forma robusta." |
| Collector: | Scott Namestnik 5664 with "Adam Balzer, Jason Larson" |
| Submission Info: | Submitted by Admin on 07 Oct 2025 |