Georeferenced to the borders of Chicago [snikolanci, 11 February 2022]
Waste ground
verbatim collector=L.M. Umbach;description=COLLECTION NAME: Herbarium of North-Western College. Prof. L.M. Umbach, Curator.
whole organism
DATA HISTORY: Inventory catalogued/verified by VPlants Project (2009-03-30). Date listed as entered in original FileMaker database: 1997-02-05. USE HISTORY: Flora of the Chicago Region, G. S. Wilhelm, published 2017.; wild