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By: North American Native Terrestrial Orchid Conference Washington, D.C.) - Allen, Carol - Friends of the U.S. National Arboretum - Maryland Native Plant Society - National Capital Orchid Society.Edition:Publication info: Germantown, Md, North American Native Terrestrial Orchid Conference, [1996]Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects:BHL Collections: