Members and businesses who want to underwrite the Society’s mission of protecting Illinois flora and fauna and supporting habitat
Friend Plus$30.00 Join
Members seeking to provide a higher level of Society support
Members and businesses who want to leave a lasting mark on the Society to sustain its long-term activities
Partners, like-minded nonprofit groups and organizations who support our mission. Affiliates will appear in our magazine and will receive two issues of every magazine to share with their members.