One species of Dewy Pine is known, Drosophyllum lusitanicum, from Morocco, Portugal and Spain. Successful propagation from seed often requires treatment by scarification or exposure to gibberelic acid. Propagation in vitro is also possible from leaf tips.
Goncalves S and A Romano. 2005. Micropropagation of Drosophyllum lusitanicum (Dewy pine), an endangered West Mediterranean endemic insectivorous plant. Biodiversity and Conservation. 14:1071-1081.