Silphium integrifolium Michx. var. integrifolium

• Region

  North America

• Country

  United States of America

• State/Province

  Arkansas

• County/Municipio

  Saint Francis Co.

• Locality

  5 miles southeast of Forrest City on Linden Island Road, Crowley Ridge

• Coordinates

  34.9504, -90.7139

• Coordinate Uncertainty (m)

  1700

• Georeferencing Method

  Georeferencing Quick Reference Guide (Zermoglio et. Coordinates determined by measuring 5 mi SE along Linden Rd from Forrest City. Geographic radial was calculated as the distance from corrected center to farthest extent of road in starting city. 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
3?
FLORA OF SOUTHEAST ARKANSAS
Silphium integrifolium Michx.
St. Francis Co.: 5 miles southeast of
Forrest City on Linden Island Road, local-
ly common, 4 ft. tall, rays yellow,
loessial soil of Crowley Ridge.
August 23, 1960
Sidney McDaniel no. 2036
03109297