Botanical Art Worldwide 2018
https://www.botanicalartworldwide.info

Minnesota School of Botanical Art
http://www.minnesotaschoolofbotanicalart.com

Guild of Natural Science Illustrators
https://gnsi.org

Friends of the Wild Flower Garden – Eloise Butler Wildflower Garden
http://www.friendsofthewildflowergarden.org

Minnesota Wildflowers
https://www.minnesotawildflowers.info

Minnesota Scientific and Natural Areas
https://www.dnr.state.mn.us/snas/index.html

The New York Botanical Garden
www.nybg.org

Hunt Institute for Botanical Documentation
www.huntbotanical.org