Approximately 194 species occupy temperate and tropical regions of the world. Readily propagated by seed, clonal expansion is easy and fairly quick. In vitro culture from leaves or roots can be challenging due to the delicate nature of the leaves of some species, in regards to surface sterilization.
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Janssens J. 1986. In vitro propagation of sundew, Drosera regia Stephens. Mededelingen Faculteit Landbouwwetenschappen Rijksuniversiteit Gent. 51:61-66.
Kawiak A, A Krolicka and E Lojkowska. 2003. Direct regeneration of Drosera from leaf explants and shoot tips. Plant Cell, Tissue and Organ Culture. 75:175-178.