Parthenium integrifolium L.

-u„ specimen used m*
Academy of Natural Sciences of Philadelphia
Parthenium integrifolium L. var.
henryanum Mears
det. James A. Mears
*«.+. , L*t73>
THE NEW YORK BOTANICAL GARDEN
ft SiPLANTS OF THE “MANUAL RANGE”
Dry upland soil along railway, Suf