Heterotheca subaxillaris (Lam.) Britton & Rusby

Asteraceae
PLANTS OF ILLINOIS, USA
Heterotheca subaxillaris (Lam.) Britton & Rusby
Det.: S.R.Hill, (ILLS) 2009
SAINT CLAIR COUNTY 38.63901° N. Lat.
090.15138° W. Long. T.2 N., R. 10W., Sect. 12.
National City, East Saint Louis, between Main Street and
Front Street, 450 feet northwest of Rt. 3 [St.Clair
Avenue], former Saint Louis National Stockyard site east
of Mississippi River. Edge of former parking lot, area to
become interstate interchange. Granite City 7.5’
quadrangle. Coordinate Datum: WGS84/NAD83.
Elevation 410 feet.
Weedy vegetation, from local seed bank, dirt piles, also
more common in cracks in old parkling lot pavement.
Rays and disc yellow; aromatic-resinous annual, common.
Steven R. Hill 38309
10 September 2009
02906808