Many plants remain undiscovered or are yet to be classified, however cryptobotany usually focuses on fantastical plants believed to have harmful or therapeutic interactions with people. Sources of data may be secondary or scant; reports may be plausible or outlandish.
Man eating plants, most frequently inhabiting the jungles of Africa in popular fiction, may have been based on initial reports of plants that could trap and kill mammals, such as Nepenthes rajah. However, there are unconfirmed reports, primarily from Latin America, that allege the existence of still-undiscovered species of large carnivorous plants, according to British cryptozoologist Karl Shuker's 2003 book The Beasts That Hide From Man.
Roesch, Ben S. (1999). "Taking a Hard Look at Cryptozoology: A Critical Approach to Cryptozoology". Author's On-Line Cryptozoology Archives. http://web.ncf.ca/bz050/criticalcz.html. Retrieved 2007-07-03. "Thus the argument goes: in order to ensure accuracy in cryptozoology, research on sasquatch should be done by a primatologist or physical anthropologist, and research on sea serpents should be done by a marine biologist, preferably one who has good knowledge of both invertebrate and vertebrate marine organisms."
Paul McCarthy (1993-01-11). "Cryptozoologists: An Endangered Species". The Scientist, Vol:7, #1 ). http://web.ncf.ca/bz050/HomePage.scza.html. Retrieved 2007-07-03. "Krantz is a member of a small band of scientists called cryptozoologists, who stalk previously undescribed--and, some would say, nonexistent--animals. This includes new species of lizards, monkeys, and other ho-hum creatures, but also beasts of mythic proportion: ..."
Phillipps, A. 1988. A second record of rats as prey in Nepenthes rajah.PDF (203 KiB) Carnivorous Plant Newsletter 17(2): 55.
Shuker, Karl P N (2003). The Beasts That Hide From Man. Paraview. ISBN 1-931044-64-3.