University of North Carolina at Chapel Hill Herbarium: Vascular Plants (NCU:Vascular Plants)
NCU00001622
a3818ee2-7a7b-4685-84ce-b07f9337805e
347006
Ambrosia artemisiifolia L.
Asteraceae
Downs, Robert M.
6844
1969-08-23
United States, Maryland, Garrett, Wet field and marsh approaching bog conditions at the headwaters of Potomac River (N.Branch) on sandy and carbonaceous shales and sandstones just east of Kempton.