• ILDIS World Database of Legumes » http://www.ildis.org/
• flower classification > http://www.life.uiuc.edu/plantbio/digitalflowers/index.htm
• carnivorous plants » http://www.omnisterra.com/bot/cp_home.cgi
• a subset of the “Encyclopedia of Life” » http://www.eol.org/

http://www.zoekjeplant.be/

see plant sensing