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An overview of the available content on this site. Keep the pointer still over an item for a few seconds to get its description.

• About Us
  • Who We Are
• Webinars
  • Determining Seed Zones for the Southern Pines: Past and Future
  • Climate Considerations When Developing Updated Seed Zones
  • Seed Zones & Population Movement Guidelines: Concepts & Tools
  • Development & Use of Generalized Provisional Seed Zones
  • Common Garden Studies for Herbaceous Plants: Lessons Learned from the Longleaf Pine Ecosystem
  • The Use of the National Hierarchical Framework of Ecological Units for Seed Zone Demarcation
  • Adaptation Forestry Practices for Climate Change Mitigation: a Field Study
  • Evaluating Intraspecific Variation and Environmental Heterogeneity to Identify Seed Sources and Conservation Corridors
  • Development of Focal Point Seed Zones for the Present and Future
  • Provisional Seed Zones: Indispensable Tools for Forest Conservation Assessment
  • Using Provenance Test Data to Guide Seed Movement in a Changing Climate
  • Eastern Seed Zones: What Have We Learned & Where Do We Go From Here?
• Resources
  • Literature
    • Assessing Potential Seed Transfer Zones for Five Forb Species from the Great Basin Floristic Region, USA
    • Conserving Biodiversity: Practical Guidance about Climate Change Adaptation Approaches in Support of Land-use Planning
    • The Importance of Phenological Diversity in Seed Mixes for Pollinator Restoration
    • National Seed Strategy: Restoring Pollinator Habitat Begins with the Right Seed in the Right Place at the Right Time
    • Native Plants Materials Policy: A Strategic Framework
    • Presidential Memorandum -- Creating a Federal Strategy to Promote the Health of Honey Bees and Other Pollinators
    • Seeds of Success: A National Seed Banking Program Working to Achieve Long- Term Conservation Goals
    • Introduction by USFS Chief Tidwell - Pollinators and Pollination
    • A New Map of Standardized Terrestrial Ecosystems of the Conterminous United States
    • Forest and landscape restoration: Toward a shared vision and vocabulary
    • Foundational Literature for Moving Native Plant Materials in Changing Climates
    • Seed Origin - First, Last, and Always
    • A Basis for Forest Tree Seed Collection Zones in the Lake States
    • Forest Tree Seed Collection Zones for the Lake States
    • Proposed Seed Collection Zones for the Central States
    • New Seed-Collection Zones for the Eastern United States: The Eastern Seed Zone Forum
  • Maps
    • USDA Hardiness Zone Maps 1990 and 2006
    • USDA Hardiness Zone Maps 2012
    • Dominant Soil Orders of the United States
    • Terrestrial and Marine Ecosystems of the US
    • Terrestrial Ecosystems of the Conterminous US
    • Soil Moisture Regimes of the Contiguous US
    • Level III Ecosystems of the Continental United States
    • Ecoregions of the US, RG Bailey
    • Geomorphic/Physiographic Provinces, Topographic Textures and Generalized Geology by Age
    • 30-yr Normal Minimum Temperature: Annual
    • 30-yr Normal Maximum Temperature: Annual
    • 30-yr Normal Precipitation: Annual
  • Plant Materials
• Definitions
  • Common garden test
  • Endemic plants
  • G ranks
  • Plant hardiness zone
  • Provenance
  • Provenance test
  • Seed source movement trial
  • Seed transfer guideline
  • Seed zone
  • Site
• News
• latest map
  • Draft Map