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Webmaster: Eric Ribbens
Barkworth, Mary E., and Zack E. Murrell 2012: The U.S. Virtual Herbarium: working with individual herbaria to build a national resource. Zookeys 209:55-73.
The U.S. Virtual Herbarium Project: Progress.

What is happening with herbarium digitization across the country:

Measures of progress.
About Us
The U.S. Virtual Herbarium Project:
Bringing all herbaria into a digital network and demonstrating the value of shared information.
The U.S. Virtual Herbarium conducted its first annual survey of herbaria in the United States in 2011. A similar survey was done in 2012. The tables and maps below compare 2011 to 2012.
Herbaria indicating they are databasing specimens: 2011 and 2012
The two tables below show changes over this year. More than 3 million specimens were databased, more than 1 million specimens were imaged, and more herbaria reported being involved with digitization efforts.
responding . . . . . .databasing . . . . . . . imaging . . . . . . . georeferencing . . . .local website . . . . regional website
Herbaria that are: