[PCA] How many plant species are endemic to the U.S., U.S. Territories and Outlying Areas?

[Patricia_DeAngelis at fws.gov]

I know SOMEONE must have an estimate...right?  Your help is appreciated.
-Patricia

Patricia S. De Angelis, Ph.D.
Botanist, Division of Scientific Authority-US Fish & Wildlife Service
Chair, Medicinal Plant Working Group-Plant Conservation Alliance
4401 N. Fairfax Dr., Suite 110
Arlington, VA  22203
703-358-1708 x1753
FAX: 703-358-2276

Promoting sustainable use and conservation of our native medicinal plants.
<www.nps.gov/plants/medicinal>
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