Parthenium hysterophorus L.

UNITED STATES NATIONAL HERBARIUM
PLANTS OF LOUISIANA
COMPOSITAE
Parthenium hysterophorus L.
ORLEANS PARISH: Growing in silt along the West Bank
of the Mississippi River near junction of Woodlawn
Highway and the River Road in Algiers, New Orleans.
Elev.: sea level.
Low branched herb? largest plants to about 2 feet
tall with lower leaves well over the size of my
hands.
25 December 1994
John Pruski 3739
03126505