Silphium asteriscus var. asperrimum

• Region

  North America

• Country

  United States of America

• State/Province

  Texas

• County/Municipio

  Brazos Co.

• Locality

  ca. 5 miles E of Bryan on Steep Hollow Road, on roadside

• Coordinates

  30.6915, -96.2662

• Coordinate Uncertainty (m)

  2422

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Coordinates of road midpoint were calculated as the center point between start and end of road. Linear extent was calculated as distance between coordinates and farthest extent of road (2410m). Uncertainty radius was determined using the MaNIS Georef. Calc.

• Geodetic Datum

  WGS84

• Distribution

  Map all specimens of this taxon

^ U.S. Deparfmenf of /Igricul+ure
Agricultural Research Service " Crops Research Division
Cotton Branch Herbarium
Silphium asperrimum Hooker
TEXAS: Brazos County: ca. 5 miles E of Bryan on
Steep HoLlow Road, on roadside. Most plants
hispid (one subglabrous), 1-1.5 m tall; disk and
ray flowers yellow.
Collator: P- FryxeU
Date: 11 May 1980
No. 3183
03090761