| Online sources: |
Wikipedia;
Huntington official site;
Carnivorous Plants Web Site;
Dave's Garden;
Andy's Orchid etc. |
| Books and Journals: |
Bell, Peter Robert (1992) Green Plants: their origin and diversity.
Portland, OR: Dioscorides Press. |
| Brenzel, K.N. ed (2001) Western Garden Book. Menlo Park, CA: Sunset publishing
coporation. |
| Moore, Randy et al. (1998) Botany, 2nd ed. New York: WCB/ McGraw-Hill. |
| Ortiz, E.L. (1992) The Encyclopedia of Herbs, Spices & Flavoring. New York: DK Publishing, Inc. |
| Ridge, Irene, ed (2002) Plant. Oxford: Oxford University Press/Open University. |
| Sheehan, T.J. (2001) Ultimate ORCHID. New York, NY: DK Publishing, Inc.. |
| Valder, P. (2005) The Garden Plants of China. Portland, OR: Timber Press, Inc. |
| Young, P.G. (1982) The Botany Coloring Book. Oakville, CA: Harper Perennial. |