Artemisia campestris var. caudata (Michx.) E.J.Palmer & Steyerm.

PLANTS OF ILLINOIS, USA
Artemisia campestris L.
ssp. caudata (Michx.) Hall & Clem,
det.: S.R. Hill, Dec. 2000 Asteraceae
ILLINOIS: LASALLE COUNTY 41° 19' 30" N, 88° 51'

30" W Ottawa 7.5 min. quad.; T. 33 N, R. 3 E, SE/4,
SW/4, NW/4, NW/4, sect. 14. South Ottawa; Libby
Owens Inc. property, fenced silica quarry at S side of IL
Rt. 71, on peninsula at W end of E water-filled pit. Elev.
ca. 480 ft. Disturbed nearly pure white silica sand with
some organic material over soft (crumbling) white silica
sandstone 'pavement'. Very dry.

Remnant dry sand prairie with scattered dwarfed
Quercus velutina, with Aristida basiramea, Panicum
villosissimum, Liatris aspera, Solidago speciosa,
Leptoloma cognatum, Coreopsis lanceolata. Rather
common biennial or perennial ca. 0.5 m tall, foliage
with scarcely any aroma - just slightly sweet-resinous.
Ca. 100-200 plants, most juvenile rosettes.

Steven R. Hill 33130

7 September 2000

01893007