Xanthium strumarium var. canadense (Mill.) Torr. & A.Gray

• Region

  North America

• Country

  United States of America

• State/Province

  Colorado

• County/Municipio

  Larimer Co.

• Locality

  County Road 37, - 4 mi NE of U.S. 287.

• Elevation

  Alt. 2139 m. (7018 ft.)

• Coordinates

  40.9274, -105.275

• Coordinate Uncertainty (m)

  58

• Georeferencing Method

  Georeferencing Quick Reference Guide, Version 2012. Coordinates determined by measuring 4 mi NE along County Road 37 from intersection with U.S. 287. Linear extent was calculated as distance from center to farthest extent of starting intersection. Uncertainty radius determined using MaNIS Georef. Calc.

• Geodetic Datum

  WGS84

• Location Notes

  40 55 72 N; 105 16 43 W

• Distribution

  Map all specimens of this taxon

PLANTS OF COLORADO
ASTERACEAE
Xanthium strumarium L. var. canadensis (Mill.) Torr. & A. Gray
Dupl. det. R. L. Hartman 2001
U.S.A.: COLORADO. Larimer Co., County Road 37, - 4 mi NE
of U.S. 287. Latitude 40° 55' 72", Longitude 105° 16' 43", Altitude
~ 2139 m.
Common roadside weeds. Styles pinkish. Chromosome voucher.
Silica gel dried leaves preserved at the DNA Bank, Missouri
Botanical Garden.
Robert Merrill King
and Robert M. Garvey No. 11071	August	9,	1999
03199864