Forestry & Landscape Resources
- University of Mn Extension Service/Forest Resources
- Mn Shadetree Advisory Committee (MnSTAC)
- Mn DNR Backyard Tree Care
- Mn Forest Resources Council
- USDA Forest Service
- International Society For Arboriculture
- University of Mn Extension Service/Gardening
- University of Mn Extension Yard and Garden
- University of Mn Extension Plant Disease Diagnostics
- University of Mn Plant Information Online
- University of Mn Arboretum
- Mn State Horticultural Society Northern Gardener
- USDA Plants Database
- National Wildlife Federation Backyard Wildlife Habitat
- U.S. EPA Landscaping With Native Plants
- American Public Gardens Association