Sium suave Walter

NEW YORK BOTANICAL GARDEN
03512688.........
BOTANICAL
L°arde^J
03512688
PLANTS OF ILLINOIS, USA
Sium suave Walter
Apiaceae
Det.: S.R.Hill, (ILLS) 2009
SAINT CLAIR COUNTY 38.64706° N. Lat.
090.15384° W. Long. T.2 N., R. 10W., Sect. 12.
National City, northeast of Exchange Avenue, 200 ft
south of railroad line, old Cahokia Creek bed. Former
Saint Louis National Stockyard site east of Mississippi
River, to become interstate interchange. Granite City 7.5’
quadrangle. Coordinate Datum: WGS84/NAD83.
Elevation 420 ft.
Alluvial soil, floodplain.
Old creek-bed, Polygonum coccineum, Bidens, Comus,
Salix. Flowers white, occasional erect herb 1-1.5 m tall.
Steven R. Hill 38310
10 September 2009