18 July 2015.
Illinois, United States
Locality: LaRue-Pine Hills-Otter Pond Research Natural Area along Snake Road (southern 2+ miles) approximately 3.25 miles north of Wolf Lake, Union County
Coordinates: 37.5478, -89.4396
(Map it)
Elevation: 113m.
Georeference protocol: Lat/lon determined by GPS
Habitat: Wild Habitat
Environment description: Swale of roadside.
Number of plants sampled: 120
Associated species: Tilia americana, Juglans nigra, Eupatorium purpureum, Glyceria striata, Hydrophylum appendiculatum, Polymnia canadensis, Asimina triloba, Phyrma leptostachya, Elymus riparius, Geum canadense, Campanula americana, Rosa multiflora, and Verbena urticifolia, Pilea pumila, Verbesina alternifolia, Impatiens sp., Sassafras albidum, Liriodendron tulipifera, Menispermum canadense
Land Use: Nature Protection;
Soil Texture:
Comment: Collectors: Susanne Masi, Jean Sellar, and Domenico D'Alessandro