Herbarium of the University of Arizona, USA

University of Arizona
113 Shantz Building
Tucson, Arizona 85721, EUA
Pone: 520 62117243
Fax 520 621 7186
 

Steven P. McLaughlin
Curator of the Herbarium
Arid Land Studies
Phone: 520 621 8577 – 520 741 1691
e-mail: spmcl@ag.arizona.edu
 

The Herbarium at the University of Arizona houses the world's best scientific collection of vascular plants from the arid southwest of the United States and northwestern Mexico. At the moment, this database has only specimens from all over Mexico.

The database includes 12 319 records pertaining to 190 families, 1 068 genera, 3 369 species collected in 6 389 localities.

http://ag.arizona.edu/herbarium/