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Floral and Nursery Plants Research:
The Floral and Nursery Plants Research Unit of the U.S. National Arboretum has a broad-based program supporting basic and developmental research and implementation of new technologies for the florist and nursery industries. Emphasis is on developing new floral, nursery, and turf plants; detecting
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Gardens Unit:
The mission of the Gardens Unit of the U.S. National Arboretum is to collect, display, document, evaluate, and introduce woody and herbaceous landscape ornamentals; to interpret plant collections, display gardens, and ARS and USNA research for the public through signage, exhibits, and programs; and
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Facilities Unit:
Supports and services all National Arboretum Units, including the Office of the Director. This includes all administrative and facility operations, maintenance and repair activities of the National Arboretum, as well as monitoring the security, janitorial and R&M contracts.
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Systematic Entomology Laboratory:
The Systematic Entomology Laboratory conducts research to: 1) develop comprehensive classifications, hypotheses of relationships, and identification tools for insects and mites on a world basis in support of U.S. agriculture and natural resources; 2) provide identifications and associated taxonomic
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