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The North American Plant Collections Consortium (NAPCC) is a program of the American Public Gardens Association in cooperation with USDA ARS and the U.S. National Arboretum. It is a network of botanical gardens and arboreta working to coordinate a continent-wide approach to ex-situ (outside of its natural habitat) plant germplasm preservation, and to promote high standards of plant collections management.

NAPCC Purpose

NAPCC Collections make efficient use of available resources and strengthen collections through combined collaborative activities, such as:

  • Serve as a reference for plant identification and cultivar registration
  • Provide germplasm for taxonomic studies, evaluation, breeding, and other research
  • Compare holdings with other institutions to identify duplications and gaps

Our Collections

The Dawes Arboretum is a proud participant in the NAPCC. Our collections are maintained with proper documentation and maintenance practices as defined by the mandates established for inclusion in a NAPCC collection. Our collections include:

  • Acer (maple) – The Dawes Arboretum serves as a partner in this multi-institutional collection.
  • Metasequoia (dawn-redwood) – This collection is a genetic and taxonomic collection.
  • Aesculus –  National buckeye and horse-chestnut
  • Hamamelis (witch-hazel)