Ambrosia bidentata Michx.

PLANTS OF ILLINOIS, USA

Ambrosia bidentata Michx.

Asteraceae

Det.: S.R.Hill, (ILLS) 2008

GALLATIN COUNTY 37.90777° N.Lat., 089.35722°
W. Long. T.7S., R.8E., NE Va NE Va NE Va Sec. 19.
Approximately 366 m ( 1200 ft) south-southwest of
intersection of US Rt. 45 and Illinois Rt. 141, 6.1 m (20
ft) east of US Rt. 45. Norris City, ILL 7.5' quadrangle.
Elevation 400 feet. Coordinate Datum:
WGS84/NAD83.

Old field (forbland) with Solidago, Aristida, Aster
pilosus, Kummerowia, Diodia teres, Poa compressa,
Sorghastrum nutans. Abundant annual herb, pleasant
sweet-resinous aroma.

Steven R. Hill with Chris D. Benda 37926

17 September 2008