A comprehensive Utricularia photo gallery
       http://www.asahi-net.or.jp/~ze9h-wkby/u-for-fc.htm
       http://www.darwiniana.cz/vamr/?page=galerie&rod=Utricularia
       http://www.ne.jp/asahi/green/euphoria/
       http://hiros-factory.sakura.ne.jp/carnivorous/Utricularia/Utricularia-index.htm
       http://www.utricularien.de/startseite.php?go=karnivoren_kultur_utricularia-arten
Distribution map
       http://www.honda-e.com/A02_World Maps/WorldMap_Utricularia.htm
Utricularia trapping sequence
       http://www.honda-e.com/IPW_4_Illustrations/Illustration_Utricularia_01.htm
       http://www.honda-e.com/IPW_5_PhotoIndex/Ph6_index_Bladderworts.htm
Utricularia bladder structure
       http://www.honda-e.com/IPW_4_Illustrations/Illustration_Utricularia_02.htm
       http://www.infoscarnivores.com/utriculaire.htm
       http://www.drosophyllum.com/sonstiges/fangblase.jpg U. humboldtii bladder, microphotography 40x
       http://www.drosophyllum.com/sonstiges/fangblase2.jpg U. humboldtii bladder cells, 100x magnification
       http://www.vorasite.fr/pages/utriculariapag.html
Utricularia seeds
       http://gelinaud.free.fr/carni/pagdyn.php?lan=en&navi=ie&ssmenus=hhhvvhhhhh&anc=&typ=&gen=graines
Animation and Videos of Utricularia in action
       http://www.youtube.com/watch?v=Zb_SLZFsMyQ&feature=player_embedded excellent video on how a trap works