The U.S. National Arboretum herbaria will be unavailable for on-site study or requesting of loans
from approximately
September 1, 2010 until January 2013
during renovation of the Arboretum’s administration building.
Cultivated Standard Portfolios Checklist of Plants Growing Checklist of Southeastern |
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National Herbarium
Last Updated September 10, 2012 12:46 PM
URL = http://www.usna.usda.gov/Research/Herbarium/