United States, Illinois, will, Romeoville, In old part of Romeo, on right-of-way of A.T. & Santa Fe Railway at south edge of 135th Street (Between Cicago Sanitary & Ship Canal in NE 1/4 of NW1/4 of Sec. 2, T36N, R10E.
41.633292 -88.056231 +-969m. WGS84
In crushed rock ballast
Panicum dichotomiflorum, P. miliaceum, Salsola kali tenuifolia, Aster pilosus, Erigeron canadensis, Polygonum erectum, Setaria glauca, Cichorium intybus, and Kochia scoparia
5' tall
"Grindelia lanceolata" was the original identification