Bladderworts and Corkscrew plants are both members of the family Lentibulariaceae. Bladderworts are more widespread, found throughout the tropical and temperate regions of the world. The corkscrew plants are found in Africa, Madagascar and South America. Both genera are readily propagated from seed or plant material in soft media.
Idei S and K Kondo. 1998. Effects of NO3- and BAP on organogenesis in tissue-cultured shoot primordia induced from shoot apices of Utricularia praelonga St. Hil. Plant Cell Reports. 17:451-456.
Mohan Ram HY and S Dutta. 1966. In vitro culture of Utricularia. Current Science. 35:48-50.
Pringsheim EG and O Pringsheim. 1962. Axenic culture of Utricularia. American Journal of Botany. 49:898-901.