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2004 Agricultural Experiment Station Research Report 5 lants pressed to paper--that's the simple, yet powerful con
 

Summary: 2004 Agricultural Experiment Station Research Report 5
P
lants pressed to paper--that's the simple, yet powerful con
cept of an herbarium. Plants collected from the field are
mounted on loose sheets of archival paper, then catalogued
andstored--amuseumforplants.Eachsampleincludesanyparts
of the plant that are necessary to positively identify it: flowers,
fruits, leaves, stems, roots, cones or seeds.
Rich in ecological information, an herbarium collection records
the identity and distribution of plants in a geographic location at
a precise time, making it ideal for practical, applied research in
plant taxonomy, ecology, conservation biology, anthropology,
natural resources, biogeography and even pharmacology.
With more than 440,000 specimens, the University of Arizona
Campus Herbarium contains the largest collection of plants in
the world from the southwestern United States and northwest-
ern Mexico. It also is the largest collection in Arizona; the other
major herbaria in the state are atArizona State University, North-
ernArizona University, and the Desert Botanical Garden in Phoe-
nix. One third of the specimens are from Arizona, another third

  

Source: Arnold, A. Elizabeth - School of Plant Sciences, University of Arizona

 

Collections: Biology and Medicine