Plant Databases
- The USDA Plant Database - pretty phenomenal; check it out!
- WI Rare & Endangered Plants - WI Department of Natural Resources
- Kinni Natives - local native plants and tips
- MN Landscape Arboretum - Collections
- WI Woodland Database - UW-Madison Arboretum
- Plants of WI - by UW-Stevens Point, Freckmann Herbarium
- Latin Botanical Pronunciation Guide - by former editor of Horticulture Magazine
- Perennial Encyclopedia - ~2,300 varieties of perennials
- Tree Resource Guide - for Arborists and Gardeners
- The Seed Site - a resource for seed identification