Ecological Resource Guide and Directory
- Ecological Landscape Association in Massachusetts
- Native Plant Center at Westchester Community College
- Society for Ecological Restoration
- Environmental Concern Inc.
- Institute for Ecosystem Studies in Millbrook, NY
- Ducks Unlimited/Wild Birds Unlimited
- Wild Ones
- USDA/NRCS Whip Program
- National Wildlife Federation
- Center for Urban Ecology at Cook College at Rutgers University
- Soil Conservation Service
- Dr. John Todd/Living Machine System
- Cornell Cooperative Extension Rockland County
- Center for Plant Conservation
- Dig Safely New York
- Call Before You Dig – CT
- SITES
- Native Plant Center at Westchester Community College
- Two Coyotes Wilderness School
- Sticks and Stones Farm
- White Plains Beautification Foundation
- This Blooming City
- Westchester Health & Life magazine
