Setaria viridis (L.) P.Beauv.

PLANTS OF ILLINOIS, USA

Setaria viridis (L.) P. Beauv.
det.: S.R. Hill Dec. 2000 Poaceae
ILLINOIS: WILL COUNTY 41° 24.19'N, 88° 10.62' W
Channahon 7.5' quad., T.34 N., R. 9 E., SE/4, SW/4,
NE/4, NE/4, sect. 27. Channahon, ca. 1.5 mi SE of
Smith Bridge (Des Plaines River), E of active RR, S of
old E-W RR spur; SW of Midewin gate, W of perimeter
rd. Elev. ca. 530 ft. Drummond Dolomite Prairie.
"Malvastrum hispidum Site 7", NW comer. Shallow
disturbed loamy clay with gravel over level dolomite
bedrock "pavement".

Dry to dry-mesic, degraded dolomite prairie: dominants:
Ambrosia artemisiifolia, Sporobolus vaginiflorus,
Verbena simplex, Panicum spp., Opuntia, Bouteloua
curtipendula. Occasional bristly annual grass. Stems
sometimes tinted dull-purplish.

Steven R. Hill 33065
B. Molano-Flores

28 August 2000

01815553