Local
- Willow Park Ecology Centre - http://www.willowparkecology.com/about.html
- Conservation Halton - http://www.conservationhalton.on.ca/
- Credit River Conservation - www.creditvalleyca.ca
- Ontario Field Ornithologists - www.ofo.ca
- Field Botanists of Ontario - http://www.trentu.ca/org/fbo/
- Ontario Wildflowers - http://ontariowildflowers.com/index.php
- Mycological Society of Toronto - http://www.myctor.org/
- http://www.whatbird.com/
