Ambrosia artemisiifolia var. elatior (L.) Descourtils
Asteraceae
Schlismann, JE
JS134
2006-08-23
8/23/2006
Weber, J; Dreisilker, KM
United States, Illinois, DuPage, Morton Arboretum, The Morton Arboretum, East Side. N 41.818265978? W 88.046045132?. Y115/area, E of Big Rock Visitor Station; dry creek bed in slightly open area of woodland, not far fromtrail.
41.8183 -88.046
Amphicarpaea bracteata var. comosa; Ambrosia trifida; Bidens vulgata; Carex grayi; Laportea canadensis; Leersia virginica; Solanum dulcamara; Solidago flexicaulis; Toxicodendron radicans. Species recorded at plot Y115 by AES: Acer nigrum; Asarum canadense; Boehmeria cylindrica; Fraxinus quadrangulata; Impatiens pallida; Juglans nigra; Leersia oryzoides; Menispermum canadense; Quercus macrocarpa; Tilia americana