I couldn't find the list in the gecko forum, but this came up in the chameleon forum. These will take a while to go through!
Thanks for your reply 
webhome.idirect.com/~chameleon/owners/chapter2-sub5.html
www.geocities.com/chameleoncreatures/nontoxicplants.html
www.calumma.com/safe_plants.htm
groups.msn.com/ChameleonParadise/chameleoncagesetupinfo.msnw
www.akca.org/library/poison.htm
www.ces.ncsu.edu/depts/hort/consumer/poison/poison.htm
plantsdatabase.com/
www.naturallyhealthypet.com/toxic.htm


