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Level IV Criteria

Level IV Accredited Arboreta have met the highest levels of arboretum standards.

  • Satisfy all criteria for Level I, Level II and Level III accreditation.
  • A scientific and/or conservation staff and capability to collaborate in scientific or conservation activities with other arboreta or organizations related to trees.
  • Institutional capacity, stability, and commitment to hold and safeguard plants of collections or conservation value on behalf of the collective interests of the profession.
  • Specific participation in collaborative scientific or conservation activities related to trees, such as the North American Plant Collections Consortium or the Global Trees Campaign.
  • Specific consideration of a conservation role linked to the Global Trees Campaign (globaltrees.org).

View list of Level IV Accredited Arboreta

Level IV sample application download