Pedicels appressed or diverging to 20° from the branch axes. Anthers
grows throughout the range
of the species, including most of the contiguous United States. Within the Flora
region, it is most common in the eastern states and usually flowers from July-November.
From Flora of Indiana (1940) by Charles C. Deam
This is our most common species of the genus and is frequent throughout the state. It prefers the open in sandy or muddy soils, and is found mostly along roadsides and railroads and in waste places and fallow fields. It is less frequent on sandy bars and muddy borders of streams and ditches.