Silphium integrifolium Michx. var. integrifolium

• Region

  North America

• Country

  United States of America

• State/Province

  Arkansas

• County/Municipio

  Sharp Co.

• Locality

  Burned-over road right-of-way beside Ark. 56, four miles west of Poughkeepsie

• Coordinates

  36.0634, -91.5438

• Coordinate Uncertainty (m)

  5852

• Georeferencing Method

  Georeferencing Quick Reference Guide (Zermoglio et. Coordinates were determined by measuring 4 mi W along Ark 56 from Poughkeepsie. Geographic radial was calculated as ½ distance from Poughkeepsie to nearest named place, Calamine. Final uncertainty was found using the MaNIS Georef. Calc.

• Geodetic Datum

  WGS84

• Location Notes

  [US & Canada]

• Distribution

  Map all specimens of this taxon

University of Texas Herbaria, TEX-LL
Silphium integrifolium Michx.
var. integrifolium
J. A. Clevinger	July	1999
OS
^ti
HERBARIUM OF NORTHEAST LOUISIANA UNIVERSITY, MOiROE
Flora of ARKANSAS	Sharp	County
BOTANICAL
®ARDEt*
NEW YORK BOTANICAL GARDEN
03109291
Silphium integrifolium Michx.
Burned-over road right-of-way beside Ark. 56,
four miles west of Poughkeepsie, Ark.
R. Dale Thomas, Bio. 452 Class 24 July 1970
No. 20259
03109291